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2 HEMCO has been a leading manufacturer of basic laboratory equipment serving the research and development and life science and technology industries since HEMCO works with architects, engineers, laboratory planners, contractors, and customers to complete laboratory projects on time and on budget. Located in Independence, Missouri, the heart of America and the crossroads of North America. HEMCO is situated in a major center for transportation, communication, distribution, and manufacturing industries worldwide. HEMCO offers a complete line of furniture, countertops, and fume hoods to equip your laboratory. Our professional staff will work with you to design a layout that is functional, ergonomic, flexible, and, more importantly, meets your process and safety requirements. We specialize in laboratory projects that are personally engineered to meet your time and budget schedules. Our services can include a complete turnkey installation to ensure the one source quality you expect and deserve. HEMCO would welcome the opprotunity to work with you from your concept planning to a completed, operational laboratory. HEMCO s modern manufacturing and distribution facilities combined with our many years of experience uniquely qualifies us to provide laboratory hoods, laboratory furniture, laboratory enclosures, clean labs, and clean rooms. Our extensive engineering, design, and manufacturing expertise can transform your laboratory concepts into reality. To Order Or Request Quote CALL (816) Monday-Friday 8 AM - 5 PM Central Standard Time CLICK orders@hemcocorp.com 24-7 FAX (816) Anytime MAIL HEMCO Corporation 711 S Powell Road Independence, MO USA At Your Service TERMS Payment to HEMCO Corporation for purchase and shipping charges can be made by Master Card, Visa, American Express, company check, certified check, money order, letter of credit, or wire transfer. For companies with established credit with HEMCO our terms are Net 30 days. All purchases are subject to our standard terms and conditions. Payment in US dollars. Shipping Freight is FOB-Factory collect or prepaid and add via motor carrier. FOB-Factory. For international shipments-exworks HEMCO. Delivery HEMCO will process your order promptly to meet your desired schedule. Consult factory for shipping information.

3 Table of Contents Introduction...2 Section I: Furniture Groupings Laboratory Cabinets...6 Countertops & Sinks Plumbing, Electrical, & Safety...9 Section II: Fume Hoods & Accessories UniFlow LE Air Bypass Fume Hood...10 UniFlow CE Compact Fume Hood UniFlow SE High Performance Fume Hood...14 UniFlow FM Floor Mounted Fume Hood...16 Plan-A-Hood...18 Fume Hood Worksurfaces & Cabinets Fume Hood Service Fixtures...20 Fume Hood Electrical...21 Fume Hood Sinks & Plumbing...22 Safety Showers Section III: Ventilation Ventilation Systems & Recommendations...24 Canopy Hoods Ductless Hoods...27 Exhaust & Ducting...28 Blowers & Filtration...30 Section IV: Modular Laboratories Modular Labs and Rooms...32 Plan-A-Lab...33 Modular Clean Rooms Clean Enclosures...35

4 UniLine Casework Groupings Unitized design incorporates our most popular casework groupings to meet your laboratory needs. Welded steel with chemical resistant, epoxy powder coat finish, and 1 thick phenolic resin countertops with 4 high backsplashes are standard. ADA and sitting height options are available. Atlantis Grouping UniLine Atlantis Grouping provides basic lab storage and a versatile work area. Cabinet grouping includes 3 standing height cabinets with rear filler panels on both ends, phenolic resin worksurface with 4 high backsplash, 16 x 12 x 8 deep epoxy resin sink with outlet, and hot/cold mix gooseneck faucet with vacuum breaker. For additional accessories, see pages 7-9. Atlantis Cabinet Grouping Length Enterprise Grouping UniLine Enterprise Grouping provides a convenient balance of storage and work space. Cabinet grouping includes 3 standing height cabinets with rear filler panels, 2 wall cabinets, phenolic resin worksurface with 4 high backsplash, 16 x 12 x 8 deep epoxy resin sink with outlet, hot/cold mix gooseneck faucet with vacuum breaker, and 24 x 30 high phenolic resin pegboard with stainless steel drain trough. For additional accessories, see pages 7-9. Enterprise Cabinet Grouping Length Discovery Grouping UniLine Discovery Grouping features a stand-up workstation and sitdown desk area. Cabinet grouping includes 3 standing height cabinets, 1 sitting height cabinet, 1 single desk drawer apron with rear filler panels, 2 wall cabinets, phenolic resin worksurface with 4 high backsplash, 16 x 12 x 8 deep epoxy resin sink with outlet, hot/cold mix gooseneck faucet with vacuum breaker, and 24 x 30 high phenolic resin pegboard with stainless steel drain trough. For additional accessories, see pages 7-9. Discovery Cabinet Grouping Length Endeavour Grouping UniLine Endeavour Grouping is a flexible design that can serve as an island or peninsula layout. Cabinet grouping includes either 3 or 7 standing height cabinets with front and end filler panels, phenolic resin worksurface, 24 x 16 x 8 deep epoxy resin sink with outlet, hot/cold mix gooseneck faucet with vacuum breaker, 24 x 30 high phenolic resin pegboard with stainless steel drain trough mounted on an 84 high utility chase, and center island reagent shelf with pedestals and phenolic resin shelf. Endeavor Cabinet Grouping Length Length Length Length Length

5 UniLine Casework Groupings Viking Grouping UniLine Viking Grouping is ideal for medical or examination rooms and small lab requirements. Cabinet grouping includes 1 or 2 standing height cabinets, 1 or 2 wall cabinets, plastic laminate worksurface, 12 x 12 stainless steel sink with outlet, and hot/cold mix gooseneck faucet. For additional accessories, see pages 7-9. Viking Cabinet Grouping Length Length 2 24 Gemini Grouping UniLine Gemini Grouping features a sitting height desk area that can be incorporated with any of the HEMCO groupings. Cabinet grouping includes 1 sitting height file drawer cabinet with rear filler panels, single drawer apron, and phenolic resin worksurface. For additional accessories, see pages 7-9. Gemini Cabinet Grouping Length Length 2 29 Freedom (ADA) Grouping Option When ADA requirements are necessary, the UniLine Freedom Grouping option allows you specify any HEMCO Casework Grouping and be compliant to all dimension, space, and access standards as specified by ADA. In addition, all electrical services, plumbing accessories and safety equipment including emergency showers and eye wash stations are designed to meet ADA guidelines. Simply add ADA as a suffix to any HEMCO part number and HEMCO can design, quote, and supply ADA compliant equipment. Proper planning eliminates/reduces future problems. For a complete guide for all ADA technical information, including dimensions and standards, please visit: Reach In Reach Over Corner Solutions HEMCO corner cabinets and fillers offer several means by which HEMCO casework groupings or individual cabinets can be connected at a corner. Basic Corner Scribe Overlap Corner Cabinet Spacious Corner Cabinet

6 UniLine Base Cabinets Lab cabinets are offered in standard modular sizes that allow you to create a custom laboratory to meet your specific needs. All cabinets feature furniture grade welded steel construction with a durable, chemical resistant, epoxy powder coat finish that meet or exceed SEFA 8, SEFA s recommended practice for laboratory casework. Standard color is Silver Beige. Base Cabinets (standard height 35 inches, depth 22 inches) Cabinet End View Height Standard 35 Height ADA 32 Height Sitting 28 Specify left or right hinged Specify left or right hinged Specify left or right hinged Acid Cabinet Flammable Sink Unit Sink End Unit

7 Wall Cabinets, Floor Cabinets, and Accessories Wall Cabinets (height 30 inches, depth 12 inches) Specify left or right hinged Floor Storage Cabinets (height 84 inches, depth 18 inches) Open Front Storage cabinet with 5 adjustable shelves Solid Hinge Door Storage cabinet with 5 adjustable shelves Slide Glass Door Storage cabinet has glazed 1/4 glass doors and 5 adjustable shelves Casework Accessories Reagent Shelf Shelves are 12 deep and 16 tall. For use on island, peninsula, or against wall. Length Single Drawer Apron 4 1/2 high. Used to span knee space area and support countertop Wall Shelf 8 deep. Includes verticle flanges for mounting Knee Space Panel 35 high. Located at the rear of knee space areas. 24 to to to End Panel 35 high x 22 or 28 deep. Used to support countertops at the end or middle of a knee space area. Please specify depth Leg Assembly 35 high x 22 or 28 deep. Used to support countertops at the end or middle of a knee space area. Please specify depth Front Rail 2 high x 36 or 48 wide. Used to support countertops above knee space areas. Please specify width Utility Chase 24 wide x 6 deep x 84 high. Located on an island behind a sink. Used to conceal piping and to serve as mounting for pegboard test type Rear Filler Panel 35 high x 7 wide. Used to enclose pipe chase behind cabinets on standard 30 deep counters Center Filler Panel 35 high x 4, 10, or 14 wide. Used to enclose the pipe chase at the end of an island. Please specify width Front Filler Panel 35 high x 2, 6, or 12 wide. Used to enclose the space between cabinets to meet casework length requirement. Please specify width End Scribe 35 high x 2, 6, or 12 wide. Used to fill the space between the end of casework and a wall. Please specify width

8 Laboratory Countertops, Sinks, and Plumbing Countertops are available in phenolic resin, eposy resin, and plastic laminate, are 24 or 30 inches deep, and can be supplied with or without backsplashes. Sink and service cut-outs are fabricated as required. Laboratory Countertops 1. Phenolic Resin Surfaces are constructed of solid composite panels that have excellent chemical resistance and durability. Surfaces are nonporous and UV, heat, bacteria, and scratch resistant. Available in 1 thickness. Color: Charcoal Depth No Backsplash With Backsplash 70118B 70018B 2. Epoxy Resin Surfaces and curbs are molded of a modified epoxy resin that is specifically compounded and cured to provide optimum physical and chemical resistance. Surfaces are nonporous, nonconductive, and stain and heat resistant. Available in 1 thickness. Color: Black. 3. Plastic Laminate Surfaces are constructed of.050 high pressure, chemical resistant plastic laminate that is chemically bonded to premium grade particle board. Edges are finished. Laminate has a matte, nonglare finish. Available in 1 thickness. Color: Grey, White, Black. Depth Laboratory Sinks and Plumbing Depth No Backsplash With Backsplash 70115B 70015B No Backsplash With Backsplash 70117B 70017B A B H Neutralization Tanks Molded of one-piece, chemical resistant polyolefin, neutralization tanks are designed to dilute and neutralize laboratory waster and concentrated corrosives. Limestone is utilized as the medium for neutralizing the hazardous waste. 8 Polyolefin or Epoxy Sinks Chemical resistant sinks are molded with integral flanges allowing dropin mounting. Sinks incluse 1 1/2 IPS treaded outlet. Please specify location in countertop layout of A and B dimensions. Polyolefin Sinks A B Depth Epoxy Resin Sinks A B Depth W Phenolic Resin Pegboards For drying and storage of lab ware. Pegboard in 3/4 think and includes a stainless steel drip trough to collect run-off. W H of Pegs Oval Cup Sink Drop-in cup sink available in polyolefin. 1 1/2 IPS tailpiece includes strainer. 3 x x Round Cup Sink Drop-in sink available in epoxy or polyolefin. 1 1/2 IPS tailpiece includes strainer. Polyolefin Epoxy Resin Type 5 gallon tank (11 dia. x H with 1 1/2 IPS inlet/outlet) gallon tank (17.25 dia. x 15.5 H with 1 1/2 IPS inlet/outlet) Limestone (50 lb bag) PH monitoring system (includes sampling tank, PH probe, and control panel) Polyolefin Jar Trap Trap includes adjustable tailpiece and removable jar. 1 1/2 tailpiece Note: Limestone is not included with tank. See below. Polyolefin Overflow Beehive overflows are made of polyolefin and are used to prevent water from overflowing into the sink. 6 height. Available in 1 1/2 IPS tailpiece

9 Plumbing, Electrical, and Safety Services The countertop service fixtures are chrome-plated. All fixtures have serrated hose connections except where noted. Color-coated service handles and hole cutouts in countertop are provided. Fixtures are not factory installed. Please specify services required and the fixture location. Deck Mounted Laboratory Plumbing Distilled Water Gooseneck Faucet PVC faucet for distilled water. 6 rigid gooseneck. 1/2 NPT Single Service Gooseneck Faucet Single water, 6 swivel gooseneck.1/4 NPT H/C Mix Gooseneck Faucet Hot and cold water faucet. 6 gooseneck. 1/4 NPT With integral vacuum breaker. 1/4 NPT ADA H/C Mix Gooseneck Faucet 6 swivel gooseneck with wrist handle controls. 1/4 NPT. ADA compliant Keycock Fixture includes turret and shank connection. Single Outlet Double Outlet Triple Outlet Quad Outlet Foot Pedal Remote Control Valves with heavy chrome plating. ADA compliant. Single Pedal Double Pedal Single Gooseneck 6 swivel gooseneck for use with foot pedal remote. 1/4 NPT. ADA compliant SF Aerator Aerator for gooseneck outlet. Furnished with gasket. 3/8 IPS Aspirator Pump Aspirator pump with 3/8 IPS male inlet Inline Vacuum Breaker 3/8 IPS. Dual check Laboratory Electrical Services Outlets Brushed, cast aluminum box with stainless steel cover. Please specify desired location of pedestal box. Single Gang Double Gang Single Face Double Face Single Face Double Face Duplex/125 V/15a 50131S 50131D 50031S 50031D Single/250 V/20a 50132S 50132D 50032S 50032D Duplex/250 V/20a 50135S 50135D 50033S 50033D One Duplex and One Single/250 V/20a 50034S 50034D Electrical Strip Each length is complete with plank end fittings and one coupling. Unit is wired with 12 TW wire and features 6 centers. Available in 6 lengths. 125 V, 3 wire, single circuit grounding. Specify location Laboratory Safety Services Hand Held Eye Wash Deck mounted next to sink. Includes 8 hose and surface escutcheon. 3/8 NPT. Barrier free Swing-Out Eye Wash Deck mounted next to sink. Activates when pivoted. 1/2 NPT. Barrier free Hand Held Eye Wash Wall or hood mounted. Includes 6 rubber hose and bracket. 3/8 NPT. Barrier free Pull-Down Eye Wash Recessed, wall mounted (4 deep), pull-down eye wash safety station. Stainless steel. 1/2 NPT. Barrier free

10 UniFlow LE Laboratory Fume Hoods Full duty fume hoods featuring high efficiency, low flow, and constant volume design in 36, 48, 60, 72, and 96 widths. The UniFlow LE Fume Hood is low flow with constant volume for high efficiency energy saving and maximum user protection.the aerodynamic face opening with airfoil provides uniform airflow into the fume chamber. Available in sizes 36, 48, 60, 72, and 96. Fume hood is 48 high and 32 deep. The VaraFlow baffle system directs the air through the fume chamber to the exhaust outlet with minimum turbulence and maximum airflow efficiency. UniFlow LE Laboratory Fume Hood #35411 shown with optional service fixtures, plumbing & electrical, airflow monitor, worksurface, base cabinet, and accessories. HEMCO recommends that all fume hoods be equipped with an airflow monitor. Sash Options UniFlow LE Laboratory Hood Features UniFlow Superstructure Exclusive unitized composite construction for superior chemical resistance, strength, and durability. Extended Viewing Height Full 32 height allows for unobstructed vision into the chamber. Fume Chamber Molded, one-piece design with coved corners. Surface is glass smooth for ease of cleaning and excellent light reflectivity. Ergonomic Sash Lift Contoured for efficient airflow and ease of movement. Aerodynamic Airfoil Ergonomic aerospace design allows air to sweep across the worksurface and maintain uniform airflow. VaraFlow Baffle System Maintains uniform airflow through fume chamber. Angled Picture Frame Opening Efficient air entry into fume chamber. Complete Your Fume Hood Installation (refer to HEMCO s Plan-A-Hood worksheet on page 18 to assist in the planning of your UniFlow Fume Hoods) Optional Accessories Ventilation Systems For blowers and filters, see pages Ducting and Ducting Accessories HEMCO offers a full line of accessories to meet you specific requirements, see pages Vertical Moving Sash (Standard) The standard sash for HEMCO fume hoods. The sash may be lifted completely to the open position for maximum access to the fume chamber. Sash stops available. Horizontal Moving Sash (Optional) The maximum sash opening for the horizontal sash is 1/2 to 2/3 that of the vertical sash. The opening is smaller thus less air is exhausted resulting in energy savings. See page 11, #5. Combination Moving Sash (Optional) Offers the advantages of both sash types. Horizontal openings offers energy savings while the vertical option allows full access to the fume chamber. See page 11, #6. Airflow Monitors and Sash Stop See pages 11, 15, and 28 Plumbing and Electrical Services Factory installed according to your specifications, see pages Base Cabinets and Worksurfaces See page 19 For additional fume hood selections, visit 10 For additional fume hood selections, visit

11 UniFlow LE Laboratory Fume Hoods UniFlow Air Bypass Specifications 1. UniFlow LE Fume Hood with Vapor-Proof Light Superstructure to be unitized, corrosion, and fire resistant. Nonmetallic, composite fiberglass construction. One-piece fume chamber liner to have white, glass smooth, molded-in finish with all coved corners. Adjustable VaraFlow baffle system and bellshaped exhaust collar. Picture frame sash opening with counterbalanced, clear, tempered safety glass with chemical resistant PVC framing, track, and aerodynamic sash lift. Vapor-proof light fixture and switch are prewired to a single point junction box. 115 volt, 60 Hz, AC. All electrical components are UL listed. Remote exhaust blower, see page 30. Fume Hood UniFlow LE Bypass Fume Hood with Explosion-Proof Light Same as #1 above except equipped with explosion-proof, vapor-proof light fixture. Class I, Group C & D and Class II, Group E, F, & G electrical fixtures installed but not wired. Must be wired to comply with local codes. 115 volt, 60 Hz, AC. All electrical components UL listed. For other explosion-proof electrical options, see page Conventional Specifications 3. UniFlow LE Conventional Fume Hood with Vapor-Proof Light Same as #1 except equipped witha restricted bypass panel. All air would enter through the sash opening, regardless of height. For remote exhaust blowers, see page UniFlow LE Conventional Fume Hood with Explosion-Proof Light Same as #3 except equipped with explosion-proof, vapor-proof light fixture that is Class I, Group C & D and Class II, Group E, F, & G. Electrical fixtures installed but not wired. Must be wired to comply with local codes. 115 volt, 60 Hz, AC. All electrical components UL listed. For other explosion-proof electrical options, see page 21. For explosion-proof exhaust blowers, see page Horizontal Sliding Sash Option - Add suffix to catalog number. 35HS-3 35HS-4 35HS-5 35HS-6 35HS-8 6. Combination Sliding Sash Option - Add suffix to catalog number. 35CS-3 35CS-4 35CS-5 35CS-6 35CS-8 Fume Hood Sizes A B C (2) 24 D (2) 10 Exhaust Air Volume Required for 100 FPM with Sash Fully Open CFM 773 CFM 938 CFM 1162 CFM 1613 CFM 100 FPM with Sash 50% Open 241 CFM 385 CFM 474 CFM 592 CFM 800 CFM Airflow Monitor Continuously monitors face velocity airflow of fume hood. Select and calibrate at desired FPM velocity set point. If the hood face velocity falls below set point, an audible alarm sounds and a visual red indicator light appears. Airflow alarm is factory installed or can be field installed. 115 volt, 60 Hz Safety Sash Stop Factory installed to specified designated height. HEMCO recommends a 50% sash stop position for safe sash management and energy conservation UniFlow LE Fume Hoods For additional fume hood selections, visit 11

12 UniFlow CE Laboratory Fume Hoods Full duty fume hoods featuring low flow and constant volume design in compact sizes of 30, 36, and 48 widths. UniFlow CE Fume Hoods are a low flow, constant volume, LCV type fume hood that save 50% or more in costly exhaust volume typically required to operate a conventional fume hood. CE Fume Hoods have all the features of a full duty fume hood in the space and energy saving sizes of 30, 36, and 48 widths. The CE series accomplishes this superior containment performance through engineering and manufacturing features incorporated into the HEMCO line of UniFlow Laboratory Fume Hoods. UniFlow Superstructure Exclusive unitized composite construction for superior chemcial resistance, strength, and durability. Access Panel Easily removed for access to electrical, plumbing, and control services. Fume Chamber Molded, one-piece with coved corners. Surface is smooth for ease in cleaning and excellent light reflectivity. Vertical Moving Sash Made of 3/16 tempered safety glass with chemical resistant PVC framing and track. Counterbalanced for ease of movement. Safety Sash Stop Limits sash opening to designated working height, providing user protection and energy savings. Airflow Monitor Continuously monitors face velocity airflow of fume hood. Extended Viewing Height Full 26.5 height allows unobstructed vision into fume chamber. VaraFlow Baffle System Maintains uniform airflow through the fume chamber. Service Fixtures Color coded to specific service and mounted on right or left side. Electrical services also available. Ergonomic Sash Lift Contoured for efficient airflow and ease of movement. Air Foil Ergonomic aerodynamic design allows air to sweep across the worksurface and maintain uniform airflow. Angled Picture Frame Opening Efficient air entry into fume chamber. Base Cabinet Available in standard base cabinet, acid storage cabinet, and base tables. Performance Tested to ASHRAE UniFlow CE Model # tested at 60 FPM and 100 FPM Face Velocity. Flow visualization (smoke test), small local challenge, and large challenge were tested with no escape. The SF-6 containment test was conducted with the average parts per million of PPM. The complete ASHRAE test report is available. For a copy, please call HEMCO Customer Service at (816) For additional fume hood selections, visit Worksurface Chemical resistant composite contruction. 1-1/4 thick. Work area is dished to contain spills.

13 UniFlow CE Laboratory Fume Hoods UniFlow Air Bypass Specifications 1. UniFlow CE Fume Hood with Vapor-Proof Light Superstructure to be unitized, corrosion, and fire resistant. Nonmetallic, composite fiberglass construction. One-piece fume chamber liner to have white, glass smooth, molded-in finish with all coved corners. Adjustable VaraFlow baffle system and bell-shaped exhaust collar. Picture frame sash opening with counterbalanced, clear, tempered safety glass with chemical resistant PVC framing, track, and aerodynamic sash lift. Vaporproof light fixture and switch are prewired to a single point junction box. 115 volt, 60 Hz, AC. All electrical components UL listed. Remote exhaust blower, see page 30. Fume Hood UniFlow CE Fume Hood with Vapor-Proof Light and Built-In Exhaust Blower Same as #1 above except equipped with built-in, corrosion resistant, vertical discharge, direct drive exhaust motor and blower. 115 volt, 60 Hz, AC with control switches prewired to a single point junction box. All electrical components UL listed. Maximum duct run of 10 feet. For more ducting options, see pages No, UniFlow CE Fume Hood with Explosion-Proof Light Same as #1 except equipped with explosion-proof, vapor-proof light fixture that is Class I, Group C & D; Class II, Group E, F, & G; 115 Volt; 60 Hz, AC, and UL listed. Light is installed but not wired. Must be wired to comply with local codes. For explosion-proof electrical options, see page 21. For explosion-proof exhaust blowers, see page Uniflow Compact Fume Hood with Explosion-Proof Light and Built-In Explosion-Proof Exhaust Blower Same as #3 except equipped with built-in, corrosion resistant, nonsparking, explosion-proof motor and blower exhaust system that is Class I, Group C & D and Class II, Group E, F, & G. Explosion-proof exhaust blower and light are installed but not wired. Must be wired to comply with local codes. 115 volt, 60 Hz, AC. All electrical components UL listed. Maximum duct run of 10 feet. For other explosion-proof electrical options, see page 21. For explosion-proof exhaust blowers, see page Epoxy Resin Worksurface - Flat 3/4 thick Composite Resin Worksurface - 1-1/4 thick dished interior to contain spillage Fume Hood Sizes A B C D Exhaust Air Volume Required for 100 FPM with Sash Fully Open CFM 460 CFM 654 CFM 100 FPM with Sash 50% Open 189 CFM 230 CFM 327 CFM UniFlow CE Fume Hoods For additional fume hood selections, visit 13

14 UniFlow SE Laboratory Fume Hoods Full duty fume hoods featuring high efficiency, low flow, and constant volume design in 48, 60, 72, and 96 widths. UniFlow SE Laboratory Fume Hood #45611 shown with optional service fixtures, plumbing and electrical, airflow monitor, worksurface, base cabinet, and accessories. HEMCO recommends that all fume hoods be equipped with an airflow monitor. Sash Options The UniFlow SE Fume Hood is designed for high efficiency, energy savings, and maximum user protection. The aerodynamic face opening with airfoil provides uniform airflow through the fume chamber. A constant volume, low flow hood with VaraFlow baffle system efficiently directs the airflow through the fume chamber to the bell-shaped exhaust outlet with minimum turbulence. UniFlow SE Laboratory Hood Features UniFlow Superstructure Exclusive unitized composite construction for superior chemical resistance, strength, and durability. Extended Viewing Height Full 36 height allows for unobstructed vision into the chamber. Fume Chamber Molded one-piece design with coved corners. Surface is glass smooth for ease of cleaning and excellent light reflectivity. Ergonomic Sash Lift Contoured for efficient airflow and ease of movement. Aerodynamic Airfoil Ergonomic aerospace design allows air to sweep across the worksurface and maintain uniform airflow. VaraFlow Baffle System Maintains uniform airflow through fume chamber. Angled Picture Frame Opening Efficient air entry into fume chamber. Specialized The HEMCO SE Fume Hood comes in a wide variety of specialized models. Including Perchloric Acid, Acid Digestion, Radioisotope, Trace Metals, Clean Aire I, Dual Entry, and greater depth hood models. Complete Your Fume Hood Installation (refer to HEMCO s Plan-A-Hood worksheet on page 18 to assist in the planning of your UniFlow Fume Hoods) Optional Accessories Ventilation Systems For blowers and filters, see pages Ducting and Ducting Accessories HEMCO offers a full line of accessories to meet you specific requirements, see pages Vertical Moving Sash (Standard) The standard sash for HEMCO fume hoods. The sash may be lifted completely to the open position for maximum access to the fume chamber. Sash stops available. Horizontal Moving Sash (Optional) The maximum sash opening for the horizontal sash is 1/2 to 2/3 that of the vertical sash. The opening is smaller thus less air is exhausted resulting in energy savings. See page 15, #5. Combination Moving Sash (Optional) Offers the advantages of both sash types. Horizontal openings offers energy savings while the vertical option allows full access to the fume chamber. See page 15, #6. Airflow Monitors and Sash Stop See pages 11,15, and 28 Plumbing and Electrical Services Factory installed according to your specifications, see pages Base Cabinets and Worksurfaces See page For additional fume hood selections, visit

15 UniFlow SE Laboratory Fume Hoods UniFlow Air Bypass Specifications Fume Hood 1. UniFlow SE Bypass Fume Hood with Vapor-Proof Light Superstructure to be unitized, corrosion, and fire resistant. Nonmetallic, composite fiberglass construction. One-piece fume chamber liner to have white, glass smooth, molded-in finish with all coved corners. Adjustable VaraFlow baffle system and bell-shaped exhaust collar. Picture frame sash opening with counterbalanced, clear, tempered safety glass with chemical resistant PVC framing, track, and aerodynamic sash lift. Vapor-proof light fixture and switch are prewired to a single point junction box. 115 volt, 60 Hz, AC. All electrical components are UL listed. For remote exhaust blowers, see page UniFlow SE Bypass Fume Hood with Vapor-Proof Light and Built-In Exhaust Blower Same as #1 above except equipped with built-in, corrosion resistant, vertical discharge, direct drive exhaust motor and blower. 115 volt, 60 Hz, AC with control switches prewired to a single point junction box. All electrical components UL listed. Maximum duct run of 15 feet. For more ducting options, see pages UniFlow SE Bypass Fume Hood with Explosion-Proof Light Same as #1 except equipped with explosion-proof light fixture that is Class I, Group C & D; Class II, Group E, F, & G; 115 Volt; 60 Hz, AC, and UL listed. Light is installed but not wired. Must be wired to comply with local codes. For explosion-proof electrical options, see page 21. For explosion-proof exhaust blowers, see page UniFlow SE Bypass Fume Hood with Explosion-Proof Light and Built-In Explosion-Proof Exhaust Blower Same as #3 except equipped with built-in corrosion resistant, nonsparking, explosion-proof motor and blower exhaust system that is Class I, Group C & D and Class II, Group E, F, & G. Explosion-proof exhaust blower and light are installed but not wired. Must be wired to comply with local codes. 115 volt, 60 Hz, AC. All electrical components UL listed. Maximum duct run of 15 feet. For other explosion-proof electrical options, see page 21. For explosion-proof exhaust blowers, see page Horizontal Sliding Sash option - Add suffix to catalog number. 45HS-4 45HS-5 45HS-6 45HS-8 6. Combination Sliding Sash Option - Add suffix to catalog number. 45CS-4 45CS-5 45CS-6 45CS-8 Fume Hood Sizes A B C D (2) 10 Exhaust Air Volume Required for 100 FPM with Sash Fully Open CFM 938 CFM 1162 CFM 1613 CFM 100 FPM with Sash 50% Open 385 CFM 474 CFM 592 CFM 800 CFM Airflow Monitor Continuously monitors face velocity airflow of fume hood. Select and calibrate at desired FPM velocity set point. If the hood face velocity falls below set point, an audible alarm sounds and a visual red indicator light appears. Airflow alarm is factory installed or can be field installed. 115 volt, 60 Hz Safety Sash Stop Factory installed to specified designated height. HEMCO recommends a 50% sash stop position for safe sash management and energy conservation UniFlow SE Fume Hoods For additional fume hood selections, visit 15

16 UniFlow FM Floor Mounted Fume Hoods The air bypass walk-in hood is ideally suited for synthesis, distillation, and other rack type operations where tall apparatus is used or equipment is rolled into the work area. UniFlow FM Laboratory Fume Hood Designed for Large Scale Lab Experiments In sizes 48, 60, 72, and 96 widths and depths of 30, 36, and 48, this hood accommodates laboratory procedures requiring an increased work area height for the floor height equipment such as distillation and other rack type operations where tall apparatus is used or when equipment must be rolled into the work area. Customizable Standard or special sizes are available to meet various applications. Walk-in hoods can be shipped fully assembled or knocked-down for onsite installation. Advanced Composite Liner Materials reflect light while minimizing glare, reducing eye strain, and allowing greater productivity for laboratory personnel. The liner has a smooth, nonporous surface that ensures efficient airflow, resists chemical discoloration, allows for easy cleaning, and reduces contaminant build-up. Complete Your Fume Hood Installation (refer to HEMCO s Plan-A-Hood worksheet on page 18 to assist in the planning of your UniFlow Fume Hoods) Optional Accessories UniFlow FM Walk-In Fume Hood #11050 shown with optional service fixtures, plumbing and electrical, airflow monitor, and distillation apparatus grid. Optional worksurface and ramp are available. HEMCO recommends all fume hoods be equipped with an airflow monitor. Distillation Apparatus Grid Offered in aluminum, stainless steel, and nonmetallic composite plastic. Three sizes for 48, 60, 72, and 96 wide fume hoods. Heights are 35. Includes rods and all connectors. Can be doubled up for larger hoods. Factory installed when ordered with hood. May be field installed. Hood and Catalog Number Hood Grid for Hood Aluminum Rod Assy Stainless Steel Assy Plastic/FG Rod Assy Ventilation Systems For blowers and filters, see pages Ducting and Ducting Accessories HEMCO offers a full line of accessories to meet your specific requirements, see pages Airflow Monitors and Sash Stop See pages 11, 15, and 28 Plumbing and Electrical Services Factory installed according to your specifications, see pages Standard Sash Upper and lower vertical raising sashes. Optional sash arrangement: Upper vertical raising sash with 2 lower hinged doors. 16 For additional fume hood selections, visit Optional: Phenolic resin floor surface

17 UniFlow FM Floor Mounted Fume Hoods UniFlow Air Bypass Specifications 1. UniFlow FM Floor-Mount Bypass Fume Hood with Vapor- Proof Light Superstructure to be modular composite, chemical resistant, FRP, nonmetallic construction. Interior fume chamber to be glass smooth with adjustable VaraFlow baffle system and bell-shaped exhaust collar. Picture frame upper and lower sash opening with counterbalanced, clear, tempered safety glass with chemical resistant PVC framing, track, and aerodynamic sash lift. Can be shipped knocked-down for on-site erection. Vapor-proof light fixture and switch are prewired to a single point junction box. 115 volt, 60 Hz, AC. All electrical components UL listed. Fume Hood Hood Depth (E) UniFlow FM Floor-Mount Bypass Fume Hood with Explosion- Proof Light Same as #1 above except equipped with explosion-proof, vapor-proof light fixture that is Class I, Group C & D and Class II, Group E, F, & G. The electrical fixture is installed but not wired. It must be wired to comply with local codes. 115 volt, 60 Hz, AC. All electrical components are UL listed. For other explosion-proof options, see pages 21 and No, Phenolic Resin Worksurface Recommended for general laboratory work where high concentrations of solvents, acids, and alkalies are being worked with. The worksurface combines excellent chemical resistance with superior scratch and wear resistance. Surface is flat. Color: black Horizontal Sliding Sash - For 72 inch and 96 inch hoods only. FMHS-6 FMHS-8 Fume Hood Sizes A B C (2) 24 D (2) 10 E F Exhaust Air Volume Required for 100 FPM with Sash Fully Open CFM 938 CFM 1162 CFM 1613 CFM 100 FPM with Sash 50% Open 385 CFM 474 CFM 592 CFM 800 CFM Airflow Monitor Continuously monitors face velocity airflow of fume hood. Select and calibrate at desired FPM velocity set point. If the hood face velocity falls below set point, an audible alarm sounds and a visual red indicator light appears. Airflow alarm is factory installed or can be field installed. 115 volt, 60 Hz Safety Sash Stop Factory installed to specified designated height. HEMCO recommends a 50% sash stop position for safe sash management and energy conservation UniFLow FM FLoor Mounted Fume Hoods For additional fume hood selections, visit 17

18 CUSTOMER ADDRESS HEMCO Plan-A-Hood Worksheet Instructions 1. Select fume hood model and size. 2. Mark location of service fixtures and electrical duplex, if required. 3. If a worksurface is needed, locate the position of the sink if required. 4. Fume hood requires a support base. Whether HEMCO provides a base cabinet, table, or if it is located on an existing benchtop, select standard, acid, or flammable storage cabinet. 18

19 Fume Hood Worksurfaces and Base Cabinets A complete line of worksurfaces and cabinets to suit any application from economical light duty to heavy acid and solvent use. Select the worksurfaces and cabinets that meet your laboratory s requirements. Standard sizes are listed below. HEMCO s technical staff can make recommendations to suit your specific needs. Fume Hood Worksurfaces Epoxy Resin Worksurfaces Size Epoxy Resin Worksurfaces are recommended for general laboratory work where greater chemical resistance is required. Worksurface is cast of thermosetting epoxy resin, creating a molded solid 1 1/4 thick top which is extremely hard and abrasion and heat resistant. Surface is dished to contain spillage. Color: Black. 36 W x 30 D W x 30 D W x 30 D W x 30 D W x 30 D Composite Resin Worksurfaces Size Composite Resin Fume Hood Worksurfaces are recommended for general laboratory work where greater chemical resistance is required. Worksurface is reinforced with advanced composite materials 1 1/4 thick, work area is recessed 3/8 to contain spillage. Designed to fit HEMCO fume hoods. Color: Gray. 36 W x 30 D W x 30 D W x 30 D W x 30 D W x 30 D Phenolic Resin Worksurfaces Size Phenolic Resin Worksurfaces are recommended for general laboratory work where high concentrations of solvent, acids, and alkalies are being worked with. Worksurface combines excellent chemical resistance with superior scratch and wear resistance. Surface is flat. Colors: Black, White, and Gray. 36 W x 30 D W x 30 D W x 30 D W x 30 D W x 30 D Stainless Steel Worksurfaces Size Stainless Steel Fume Hood Worksurfaces are recommended for use with radioisotopes and perchloric acids. Work surface is fabricated of type 304, 16 gauge steel with #4 satin finish. All corners, ends, and joints are continuous heliarc welded and ground smooth. Thickness is 1 1/4. Surface is dished to contain spillage. Fume Hood Cabinets and Base Table 36 W x 30 D W x 30 D W x 30 D W x 30 D W x 30 D Base Cabinets Acid Storage Cabinet Flammable Storage Cabinet Base Table Base cabinets are constructed of top grade furniture steel. Surface finish provides excellent resistance to moisture, abrasions, acids, bases, and solvents. Cabinets are 22 deep and high and have adjustable shelf. Standard color is Silver Beige. Constructed of top grade furniture steel with a chemical resistant finish. Interior is lined with composite resin panels for superior corrosion resistance. Cabinet has an adjustable shelf and hinged doors. Cabinets are 22 deep and high. Standard color is Silver Beige. Flame resistant base cabinet provides safe storage of flammables. Constructed of welded, double wall, furniture grade steel with chemical resistant finish. Cabinet has an adjustable shelf and locking hinged doors. Cabinets are 22 deep and high. Standard color is Silver Beige. Heavy duty base table. All welded 2 square tube steel contruction with chemical resistant finish. Standard depth is 29. Each leg has levelers with fitted black boots. Available in three heights. Color: Pearl White. Catalog Numbers H 29 H 35 H Vent Kit Vent Kit

20 Fume Hood Wall Mounted Service Fixtures Fume hood remote control service fixtures feature nonmetallic, chemical resistant, color-coded, serrated hose connections, and 3/8 NPT brass valves with rod and handle assembly. Fixtures are factory installed on the hood. Please specify service required, fixture location, and inside or outside service access panels. Water Faucet Cold water remote controlled 6 gooseneck with integral vacuum breaker. Turret and gooseneck are epoxy coated brass CW Water Faucet Cold water remote controlled 6 swivel gooseneck. Turret and gooseneck are epoxy coated brass CW Service Fixture Cold water, remote controlled epoxy coated brass turret Service Fixture Remote controlled single service outlet. Colorcoded index buttons with matching color coded serrated tip outlets Water Faucet Cold water 6 swivel gooseneck with integral vacuum breaker. Epoxy coated brass DI Faucet Cold water 6 swivel tinlined gooseneck. Epoxy coated brass DI Faucet Distilled water 6 rigid PVC gooseneck Mix Faucet Hot and cold remote controlled 6 swivel gooseneck. Turret and gooseneck are epoxy coated brass Mix Faucet Hot and cold remote controlled turret. Turret and gooseneck are epoxy coated brass Single Keycock Single flange mounted keycock with integral flange and shank connection. Epoxy coated brass Double Keycock Double flange mounted keycock with integral flange and shank connection. Epoxy coated brass DI Faucet Distilled water tinlined outlet with shank connection. Epoxy coated brass DI DI Faucet Distilled water tin-lined outlet with flange and shank connection. Epoxy coated brass DI External Mounted Vacuum Breaker Breaker with 3/8 IPS inlet and outlet Service Set of Two (specify left or right mounting) Two remote controlled service fixture set. Color-coded index buttons with matching color-coded serrated tip. Specify service required. Epoxy coated brass. Can be ordered in combination with other fixtures FS Service Set of Four (specify left or right mounting) Four remote controlled service fixture set. Color-coded index buttons with matching color-coded serrated tip. Specify service required. Epoxy coated brass. Can be ordered in combination with other fixtures FS Service Set of Six (specify left or right mounting) Six remote controlled service fixture set. Color-coded index buttons with matching color-coded serrated tip. Specify service required. Epoxy coated brass. Can be ordered in combination with other fixtures FS

21 Fume Hood Electrical Services Electrical services are UL and CSA approved. They come factory installed when ordered with fume hoods. Services must be wired to comply with local codes. HEMCO welcomes the opprotunity to quote your special application. Additional electrical services available. Electrical Services Duplex Receptacle 115 V single phase receptacle. Installed on front column of fume hood. Includes junction box and cover plate. UL listed. 15 amps amps Single Receptacle 230 V single phase receptacle. Installed on front column of fume hood. Includes junction box and cover plate. UL listed. 15 amps amps Ground Fault Interrupter 115 V Consists of combination gound fault interrupters and two duples, 3-wire polarized grounded. Includes junction box and cover plate. 15 amps amps Single Receptacle with On/ Off Switch Receptacle has on-off switch to control power to plug-in. 115 V, 15 amps. Includes junction box and cover plate. UL listed Light Switch 115 V/15 amps. Includes junction box and cover plate. UL listed Blower Switch with Pilot Light Includes junction box and cover plate. UL listed. 115 V 15 amps V 20 amps V 20 amps Motor Starter Switch Mounted in a single gang receptacle box with face plate. Includes thermal overload protection. Double pole switch for up to 1 HP, single phase, 60 Hz 115 V/ 50 Hz, 230 V AC motors. UL listed Service Port Pass- Through Convenient port allows cords, tubes, or cables to pass to and from the hood Explosion-Proof Services (Class I Group C & D, Class II Group E, F, & G) Explosion-Proof Switch For use in hazardous locations. Surface mount type with cast iron housing. 120 V/20 amp 240 V/20 amp. UL listed Explosion-Proof Light For use in hazardous locations. Gray, two-coat epoxy finish with easily removed prismatic globe. Accepts long neck incandescent bulb up to 30 watts (bulb not included). UL listed Explosion-Proof Fluorescent Fixtures Available in 115 V. Unit is designed for use in hazardous locations requiring corrosion resistant, durable fixtures which are specifically suited to areas subject to extreme temperatures, strong vibrations, or corrosive elements. UL listed Explosion-Proof Junction Box For use in hazardous locations. For use on explosion-proof motors and blowers. Has hole for self-tapping ground screw. UL listed Explosion-Proof Receptacle For use in hazardous locations. Surface mount type with aluminum housing, 3-pole, 2-wire, 115 V/20 amp 230 V/20 amp. UL listed Explosion-Proof Ground Fault Interrupter For use in hazardous locations. Factory sealed GFI is designed to interrupt a circuit when a ground fault us detected by personnel. 115 V AC, 20 amp. UL listed International Electrical Services (consult factory for more options) Explosion-Proof Plug Adaptable for use with all receptacles. 3-pole, 2- wire, 115 V/20 amp 230 V /20 amp AC. UL listed Continental European (Schuko) Socket Comes with snap cover. CEE7 standard. 230 V 16 amp. 50 Hz. UL listed British Socket BS V 15 amp. 50 Hz. UL listed UK Socket BS V 13 amp. 50 Hz. UL listed

22 Fume Hood Sink and Plumbing Services A complete line of sinks in epoxy resin, polypropylene, and stainless steel. We also offer a wide variety of plumbing accessories, including neutralization tanks and steam baths. HEMCO welcomes the opprotunity to quote your special applications. Additional sink sizes are available. Contact factory for more details. Laboratory Sinks Epoxy Resin Sink Laboratory sink made of chemical and corrosion resistant epoxy resin. Dropin sink. Color: Black. Please specify desired location. Size 9 x 6 x 6 deep x 12 x 8 deep x 15 x 12 deep Polypropylene Sink Laboratory sink made of chemical resistant, heavy duty polypropylene. Drop-in sink. Color: Black. Please specify desired location. Size 12 x 12 x 8 deep x 18 x 8 deep x 16 x 8 deep Cup Sinks, Traps, and Mounted Plumbing Fixtures Stainless Steel Sink Laboratory sink made of one-piece, type 304 stainless steel and polished to a 4 satin finish. Drop-in sink. Underside is sound deadened to reduce drumming. Please specify desired location. Size 12 x 12 x 7.5 deep x 16 x 7.5 deep x 24 x 7.5 deep Cupsink 6 Diameter Polypropylene cupsink with 1-1/2 IPS tailpiece and outlet strainer Oval Cupsink Drop-in oval cupsink in polypropylene. 1-1/2 IPS tailpiece includes strainer. 3 x x Oval Wall Cupsink 9 x 3 Cupsink is made of polypropylene with 1 1/2 IPS tailpiece and outlet strainer Neutralization Tanks Molded of one-piece, chemical resistant polyolefin, neutralization tanks are designed to dilute and neutralize laboratory waster and concentrated corrosives. Limestone is utilized as the medium for neutralizing the hazardous waste. Note: Limestone is not included with tank. See below. Sink Stopper Sink stopper is made of epoxy resin or polypropylene and is placed into the sink outlet to prevent water exit. Available in 1 1/2 IPS tailpiece Jar P Trap P trap includes adjustable tailpiece and removable jar. 1 1/2 IPS tail piece P Trap P trap is made of polypropylene wtih 1 1/2 IPS tailpiece hole, 3 gallon 8 hole, 7 gallon 14 7/8 L x 14 7/8 W x 12 5/8 D 15 3/8 L x 28 7/8 W x 12 5/8 D Type 5 gallon tank (11 dia. x H with 1 1/2 IPS inlet/outlet) gallon tank (17.25 dia. x 15.5 H with 1 1/2 IPS inlet/outlet) Limestone (50 lb bag) PH monitoring system (includes sampling tank, PH probe, and control panel) Sink Outlet Sink outlet is made of polypropylene and is inserted into counter-bore opening in bottom of sink. Includes strainer. Available in 1 1/2 IPS tailpiece Steam Baths and Fire Extinguisher Steam Baths Stainless steel body with flanged top edge to allow recess-mount installation in worksurface. Copper clad immersion heater. Concentric rings are 5 1/8 in diameter. Bath openings become progressively larger in 1 increments by removing successive concentric rings. Adjustable water level regulator continuously maintains desired liquid depths when connected to suitable supply source. Overflows Beehive overflows are made of epoxy resin and are used to prevent water from overflowing the sink. Available in 1 1/2 IPS tailpiece Fume Hood Fire Extinguisher Potentially flammable or explosive situations require a fume hood fire extinguisher to provide protection against Class A, B, and C fires. HEMCO offers 2.7, 5.4, and 10 lb. Clean Agent FE-241 extinguishers. A fusible link mounted in the fume chamber senses excessive heat and automatically discharges system. Factory installed when ordered with a hood or field mounted on most existing hoods. Type 2.7 lb. extinguisher for up to 4 hoods lb. extinguisher for up to 8 hoods lb. extinguisher for hoods over Remote system status indicator light Remote audible discharge alarm Manual front mount discharge cable 53008

23 Emergency Showers and Safety Equipment Safety Station A multi-purpose drench shower, eye/face wash, and safety supply storage cabinet all in one. Upper eye wash enclosure is constructed of welded polypropylene for containment and chemical resistance. The lower cabinet is constructed of powder-coated steel. Equipped with a pull rod activated shower and push handle eye/face wash for quick rinsing in emergencies. Towels and first aid supplies can be stored in the cabinet below. Fully assembled and ready for installation to water supply. Supply 1 IPS, drain 1 1/4 NPT. Stations are 24 deep and 84 tall Emergency Shower Booth Unit is equipped with a pull rod activated, overhead drench shower and rear wall mounted eye/face wash. The emergency shower booth is constructed of molded, seamless, white fiberglass for containment and superior chemical resistance. Unit is equipped with a pull rod activated overhead drench shower, rear wall-mounted eye/face wash, nonslip steps, safety markings, and yellow exterior to clearly signify a safety shower. 1 1/4 IPS inlet piped to shower and eye/face wash with a 3 diameter drain outlet. 40 W x 36 D x 90 H DRENCH SHOWER BOOTH WITH WASTE STORAGE Drench shower with waste rinse compartment drum and pump. System includes shower booth, 55 gallon capacity drum, and chemical resistant 30 GPM pump Eye/Face Wash Wall mounting unit features a stainless steel, or optional Cycolac bowl, with two large plastic heads, push plate operated stay open ball valve, 1/2 IPS inlet, and 1 1/4 IPS drain Overhead Drench Shower Shower unit features 10 diameter Cycolac plastic head and 1 IPS brass stay open valve with rigid pull rod and handle Hand Held Eye/Face Wash Chrome-plated brass unit features remote push plate operated stay open ball valve, counter mounting flange, soft stream head, 6 ft. of high pressure hose, and 1/2 IPS male inlet

24 Laboratory Ventilation Systems Designed to offer the complete solution to laboratory ventilation concerns. Integrated components, blowers, fume scrubbers, and ducting are engineered together to provide a safe, effective, and efficient fume hood ventilation system. VAV controllers minimize the amount of conditioned air that is exhausted through the fume hood. Lab supply air is engineered to meet designed air changes per hour. Good sash management is critical to a balanced and efficient lab system. 24 When selecting a fume hood, it is critical to take into account aspects of the lab space to ensure proper hood performance and room pressurization. 1. The room size: length x width x height. 2. The linear feet of hood area. 3. The number of room s air changes per hour (typically 10-12). Once this has been determined, the hood exhaust system can be sized and the supply air to the lab can be determined with supplemental air provided if required. Example: The 1. above room is 30 x 30 x 8 high or a total of 7200 cubic feet. Based on an average of air changes per hour, 1440 CFM is required. There is 14 linear feet of hood area with a total 3. exhaust of 1800 CFM based on the hood sashes ata 1/2 open operating position and the hood operating With 200 CFM per door an average of 1500 CFM if supply in required. See Air Supply Package below. Supplemental Room Air Supply Laboratory supplemental air supply package is designed for situations where there is a shortage in availability of proper air supply to fume hoods. Supplemental air supply package serves as a alternative to auxiliary air hoods by diffusing make-up air to the laboratory rather than creating turbulence at the face of the hood. Package includes: 2 x 2 ceiling diffuser, prefilter, flexible ducting, and fan. 500 CFM Package 1 Diffuser Included CFM Package 2 Diffusers Included CFM Package 3 Diffusers Included Variable Air Volume Controls Variable Air Volume (VAV) Systems allow fume hoods to reduce energy consumption while maintaining face velocity. The system operates by sensing actual face velocity and actuating a motorized damper or blower speed control to continuously adjust face velocity as sash is raised or lowered. VAV Damper Control Utilizes electronically actuated dampers within the ductwork to create and maintain optimal air flow. The VAV System includes the front mounted audio-visual alarm, electronic actuated damper controller and wall-mounted sensor, transformer, and calibration. Night set back, emergency airflow, mute of audible alarm, and self-test mode are standard features of the unit

25 Laboratory Ventilation Recommendations Proper placement and use of fume hoods and blowers are important laboratory ventilation requirements. HEMCO offers the following suggestions to help in your laboratory layout. Please feel feel to contact HEMCO s technical support team in order help with your laboratory needs. Room airflow patterns and user convenience are the most important considerations in planning the location of hoods within the laboratory. Hoods placed directly in front of doors, open windows, or air conditioning registers will not perform efficiently. The drafts interfere with the airflow into the the fume hood. Hoods should not be placed where users would be forced to work in the line of traffic. Traffic in front of the hood adversely affects fume hood airflow When common exhaust or supply systems are used for several hoods, the hood units should be arranged so minimum amount of ductwork is required. See page 26 for more suggestions on planning your ducting system. Hoods used as part of an air conditioning system to exhaust air from the laboratory should generally be located on the opposite wall from the side-wall inlet registers. The hoods should be placed so that air from the registers or diffusers sweep through the laboratory area first then into the hoods. Hood Operation Proper use and maintenance will increase hood life. Hoods should not be used as laboratory storage space. Piles of unnecessary material or unused bottles and flasks can block exhaust openings and interfere with hood performance. Location of Hood sealed windows Line of traffic AIR SUPPLY center table air conditioning registers AIR SUPPLY center table Line of traffic AIR CANOPY EXHAUST hood An airflow monitor should be incorporated on the hood to monitor velocities and warn operator of potentially dangerous low air flows through the hood due to damper or blower failure, blockage of ductwork system, or extreme sash opening height. wall cabinets hood RECOMMENDED FUME HOOD LOCATION Typical Ventilation Installations wall cabinets sealed windows Roof-mounted remote blower with vertical discharge Wall-mounted remote blower with vertical roof discharge. Ceiling-suspended remote blower vented through wall with vertical discharge. Ceiling-suspended remote blower vented through wall with horizontal discharge Blower Selection and Installation Internally-mounted blower with vertical roof discharge. Blower systems must be properly installed and maintained in order to properly control the amount of air movement through the hood. Select a blower with a large enough capacity for your application and set-up. Allow for some drop in capacity from fouling by dust and other contaminants. Blowers and ductwork should be arranged so that pressure loss in the system is minimal. Minimize the use of elbows and other restrictions. The simplest arrangements are the most effective and efficient. It is suggested that each hood have its own blower and ducts for maximum flexibility and to avoid back flow from other hoods. Common ductwork systems will also perfrom efficiently, provided ducts and blowers have been properly sized for the number if hood units in the system. It is recommended that the blowers be located as close as possible to the exhaust end of the duct system. By keeping the number of elbows to a minimum, the air will be under negative pressure; thereby, should a leak occur, clean air would be pulled into the duct rather that contaminated air being pushed out. Auxiliary air hoods, supply, and exhaust blowers should be operated by one switch to avoid danger of turning on supply blower only. An alternative method would be to have one switch operate both exhaust and supply blowers and a second switch operate exhaust blower only. Where fume hoods are used as part of the laboratory ventilation system, blowers should be in operation at all times. Blower Maintenance Proper maintenace of blower and ducting will increase the efficiency of your fume removal system. Blower and ductwork systems should be part of your regular maintenance schedule. Contaminant build-up collected on impellar blades of a centrifugal blower can greatly reduce its capacity. Blowers should be checked to make certain the direction of rotation is correct. Centrifugal blowers will function while rotating in wrong direction but output will be greatly reduced. The above figures show various suggested arrangements of ducts and blowers. Blowers may be installed within the lab, on the roof, on an external wall, or in the fume hood itself. Your choice of arrangements will depend on your particular laboratory location and set-up, facility policies, and building codes. 25

26 Canopy Hoods Canopy hoods are designed to collect and exhaust corrosive vapors, heat, steam, and odorswhen mounted over areas with water baths, hot plates, or portable equipment. Wall Canopy Hoods A Dimension Outlet Diameter Island Canopy Hoods Wall Canopy Hood Mounting Kit Comes with all components to secure the canopy hood to a wall Corner Canopy Hood A B Dimension Outlet Diameter Suspended Canopy Hood Mounting Kit Comes with four 10 vinyl coated aircraft suspension cables with eyebolts and hardware Corner Composite Resin Worksurface Comes dished to contain spillage Corner Table Features welded steel construction Table Top Canopy Hoods Corner Canopy Wall Mounting Kit Comes with all componets to secure the canopy hood to the walls Portable Table Top Hood Integral side and rear panels reduce cross drafts to provide a turbulent free environment. All fiberglass construction provides superior chemical resistance. Worksurface is recessed to contain spills. A 3 vent collar is included for duct connection. 24 W x 24 H x 15 D Adjustable Height Table Top Hood Features a canopy that can be adjusted from 1 to 20 high and a recessed worksurface to control spills. All fiberglass construction gives superior chemical resistance. Vent collar connects to a 3 duct. 18 W x 15 D Table Top Hood Accessories (for and above) 3 Exhaust Blower Quick Connect Vent Outlet Flex Ducting (12 lengths) Replacement Carbon Vapor-Proof Light & Switch 80035

27 Ductless Hood Options HEMCO Class I carbon filtered, ductless hoods are engineered to remove small amounts of organics, chemical fumes, and odors. HEMCO manufactures a selection of ductless hoods in a variety of sizes to meet your specific application. MicroFlow I Portable workstation with integral carbon filter and fan. Designed for light duty fume removal. Workstation equipped with chemical resistant, dished worksurface, prefilter, carbon filter, and 6 power cord. 115 V Optional Accessories: Replacement Prefilter Replacement Carbon Filter MicroFlow II Self-contained and easily moved, this workstation is designed to absorb small amounts of non-hazardous fumes or odors and collect fine quantities of particulate. Unit includes integral fan, dished worksurface, prefilter, carbon filter, and 6 power cord. 115 V Optional Accessories: Replacement Prefilter Replacement Carbon Filter Ductless Demo Hood Hood features full 360 degree visual observation with clear shatterproof, hinged front view window, rear, and side walls. Hood has a replaceable carbon filter system, blower, fluorescent light, composite worksurface and power cord. Hood is 35 W x 24 D x 35 H and shipped completely assembled Optional Accessories: Replacement Carbon Filter Pak (carton of two) Clean Aire II Offered in 24, 30, 35 and 47 sizes. Equipped with a built-in activated carbon filter system. Hood is engineered to absorb small quantities of organics, acids, and annoying odors. Hood features an all fiberglass construction, vertical slide sash, filter, integral blower, and power cord Optional Accessories: Base Table Constructed of coated, welded steel. 48 W x 30 D. Adjustable height from 30 to 36. Table includes a foot rail and leveler feet Plastic Laminate Worksurface (48 x 30 ) Replacement Carbon Filter Pak (carton of two)

28 Fume Hood Ducting and Exhaust System Ductwork connected to fume hoods may be arranged in a variety of patterns, depending on requirements. Generally, the best exhaust system involves the shortest duct length and the fewest elbows. Duct size, length, and number of elbows affect static pressure loss and blower efficiency. Ideally, each fume hood should have its own ducting and blower to maximize hood flexibility and reduce danger of backdraft from other hoods. Common or manifold ductwork designs can be used, provided duct and blower have been sized properly. In these designs, individual hood dampers are recommended to balance the system and hood users must be aware of how different hood exhaust fumes will react when mixed in the ductwork. Rigid PVC ductwork is recognized as an excellent fume hood exhaust duct. The smooth interior surface reduces static pressure loss and chemical waste build up, and PVC is extremely resistant to a wide variety of reagents. For some applications flexible PVC lined duct provides adequate service and can significantly reduce installation costs. When planning exhaust ducting, duct size, length, number of bends, and exhaust material must be considered. Fume hoods exhaust large quantities of laboratory air, and to work properly, a similar quantity of fresh air must be supplied to the room. The most common cause of sub-standard hood performance is the shortage of supply air in the area. In multiple hood arrangements, lack of supply air can cause backdraft and room air contamination. Under normal conditions, a hood equipped room should be supplied with nearly the same amount of air as is exhausted. The remaining amount would then be drawn from the surrounding building through doors, corridors, etc. This system achieves a negative pressure in the room relative to the remaining building, helping to prevent the spread of chemicals and fumes into the rest of the building. 90 o Elbow #4-Page 29 Coupling #3-Page 29 Reducer #15-Page o WYE #6-Page 29 Weather Cap #12-Page 29 Rain Shirt #10-Page 29 Roof Blower Transition Butterfly Damper #8-Page 29 Airflow Monitor Floor 45 o Elbow #5-Page 29 Blast Damper Gate #9-Page 29 Airflow Monitor Continuously monitors face velocity airflow of fume hood. Select and calibrate at desired FPM velocity set point. If the hood face velocity falls below set point, an audible alarm sounds and a visual red indicator light appears. Airflow alarm is factory installed or can be field installed. 115 volt, 60 Hz Exhaust Blower See page 30 Airflow Monitor with Digital Display Continuously monitors face velocity airflow of fume hood. A digital display of face velocity in m/sec or FPM that indicates safety reading with an audible alarm. Push button calibration and 3 programmable input/ output relays. Factory installed or can be field installed

29 Fume Hood Ductwork and Venting Accessories Ducting and accessories are chemical resistant and easy to install. Flexible and Rigid PVC Ducting Flexible Ducting Neoprene impregnated fiberglass reinforced with steel helix wire. Standard 12 lengths. Each piece includes two strap clamps. 2. PVC Rigid Ducting Chemical resistant and durable. Schedule 40 PVC for permanent installations. Standard 10 lengths with straight ends. 3. PVC Coupling Required to connect straight sections PVC 90 o Elbow Used in order to offset obstacles. Has belled ends for duct connections PVC 45 o Elbow Used in order to offset obstacles. Less static pressure loss than a 90 o elbow. Has belled ends for duct connections PVC 45 o WYE Lateral for joining common ductwork in multiple hood designs. Branch diameter may be sized to 2 to 4 smaller than main diameter. Has belled ends for duct connections PVC Tee Used in manifold exhaust systems. Has belled ends for duct connection PVC Butterfly Damper Modifies CFM for single or multiple hood arrangement. Has belled ends for duct connection PVC Blast Gate Damper A gate that slides in and out to control CFM. Has belled ends for duct connection PVC Rain Skirt Slips over straight pipe on roof to slope water away from cutout PVC Vent Outlet For horizontal venting through wall or window. Angled end prevents rain from entering. Male connector included Zero Pressure Weather Cap Discharges fumes vertically away from roof. Self-draining. Minimal static pressure loss. This is the recommended weather cap Condensation Ring Wash Ring Reducers Collects condensed vapors in ducting and channels them to a drain outlet. Suited for use in perchloric acid duct systems. Features a wide angle spray nozzle and supply water connector. A B Transition ducting to smaller duct diameter sizes. Square-to-round transitions also available. 10 Condensation Ring Condensation Ring Wash Ring Wash Ring A x B (inches) A x B (inches) 6 x x x x x x

30 Fume Hood Exhaust Blowers A complete line of belt and direct drive exhaust blowers that are chemical resistant and available in standard and explosion-proof models. HEMCO blowers are designed to operate effectively and efficiently to remove noxious and hazardous fumes. To ensure correct airflow, it is important that blowers be sized correctly. To meet OSHA s requirements for continuous monitoring, specify HEMCO Airflow Monitor ( 51406, page 26). For applications where there is a shortage of air, specify HEMCO Sash Stop ( 51651, page 26). CFM Epoxy Coated Steel Blower Belt Drive Belt drive steel blower and impellar wheel are epoxy coated for superior chemical resistance. Explosion-proof blowers have epoxy coated, nonsparking aluminum impellar wheel. V-belt drive and adjustable pulleys permit field balancing. Seven discharge positions to suit installation. Weather housing is furnished. Motor has thermal overload protection. Specify: 115 V single phase, 230 V single phase, or 230/460 V triple phase (Consult factory for transitions). Inlet Diameter Outlet Size Catalog Number at Static Pressure 1/2 Static Pressure 3/4 Static Pressure 1 Static Pressure 1 1/2 Static Pressure HP STD EXP HP STD EXP HP STD EXP HP STD EXP /8 10 1/8 x 4 1/8 1/ / / / /8 10 1/8 x 4 1/8 1/ / / / /8 10 1/8 x 6 3/8 1/ / / / /8 10 1/8 x 6 3/8 1/ / / / /8 11 1/2 x 8 1/4 1/ / /8 11 1/2 x 8 1/4 1/ / / /8 11 1/2 x 8 1/4 1/ / / /8 11 1/2 x 8 1/4 1/ / / / /8 13 3/8 x 8 1/4 1/ / /8 13 3/8 x 8 1/4 1/ / / /8 13 3/8 x 8 1/4 1/ / / /8 13 3/8 x 8 1/ Epoxy Coated Steel Blower Direct Drive (Steel Wheel) 1 1/ / / Direct drive steel blower and impellar wheel are epoxy coated for superior chemical resistance. Explosion-proof blowers have epoxy coated, nonsparking aluminum wheels. Motor is 115 V single phase and has thermal overload protection. Catalog Number Specifications CFM at Static Pressure Standard Explosion Proof Motor Inlet Size Outlet Size 1/4 SP 1/2 SP 3/4 SP 1 SP /4 HP 6 OD 6 OD /2 HP 10 OD 10 OD /2 HP 10 OD 10 OD /4 HP 12 OD 12 OD Optional weather cover may be specified by adding WC to the end of the catalog number. Epoxy Coated Steel Blower Direct Drive (Aluminum Wheel) Direct drive steel blower and aluminum paddle wheel are epoxy coated for superior chemical resistance. Aluminum paddle wheels are non-sparking for explosion-proof applications. Motor has thermal overload protection. Specify: 115 V single phase or 230/460 triple phase. (Consult factory for retangular-to-round transitions.) Catalog Number Specifications CFM at Static Pressure Standard Explosion Proof Motor Inlet Size Outlet Size 1/4 SP 1/2 SP 3/4 SP 1 SP /4 HP 9 OD 11 x /2 HP 10 OD 12 x HP 13 1/4 OD 13 x HP 14 1/2 OD 15 x Optional weather cover may be specified by adding WC to the end of the catalog number. 30

31 Clean Aire HEPA Filtration Systems HEMCO HEPA Filter Paks effectively collect particulate contaminants from the exhaust air stream. HEPA filters are % effective at removing particulate.3 micron and larger. The filter pak housing features a gasketted, hinged access door with spring latches for convenient filter change. Inlet and outlet plenums with duct connetion collars are installed. The HEPA Filter Pak can also be paired with a carbon filter pak to remove chemical fumes and odors. Note: 1. We recommend a minihelic or magnehelic gage to monitor the airflow differential across the filter. The static pressure indicated would alert when to change filter. The gages can be hood or filter mounted. 2. We recommend ordering a back-up replacement filter. Clean Aire HEPA Filter Pak CFM Size Duct Size x 15 x 35 1/2 4, 6, 8 diameter x 26 x 35 1/2 8, 10, 12 diameter HEPA Filters Prefilter (6 per carton) CFM Size CFM Size x 12 x x 12 x x 24 x x 24 x Clean Aire Carbon Filtration Systems HEMCO Carbon Filter Paks are used in laboratory exhaust and supply systems to remove chemical odors and vapors from the airstream. Filters are loaded with virgin coconut activated carbon to efficiently absorb organic solvents and acid fumes. The filter pak housing features a gasketted, hinged access door with spring latches for convenient filter changes. Inlet and outlet plenums with duct connection collars are installed. The Carbon Filter Pak can also be paried with a HEPA Filter Pak to collect particulate contaminants. For other types of carbon for other contaminants, please see the chart below. Note: A standard 01 activated carbon filter for organics is included. For additional carbon filters, see contaminant chart below. 1. We recommend the sampling kit to check if there has been a breakthrough in the carbon filter. 2. We recommend ordering a back-up replacement filter. Clean Aire Carbon Filter Pak CFM Size Duct Size x 15 x 35 1/2 4, 8 diameter x 26 x 35 1/2 8, 10, 12 diameter Carbon Filters Prefilter (6 per carton) CFM Size No CFM Size x 12 x x 12 x x 24 x x 24 x Contaminant The following chart is a partial list of contaminants and the proper type of carbon for maximum efficiency. For additional contaminants, please consult factory. *Filter Check Available Contaminant Type Contaminant Type Contaminant Type Contaminant Type Contaminant Type Acetic Acid 01 Chlorophicbin 01 Ethylene Dichloride 01 Iodine 01 Propyl Mercaptan 01 Acetone 01 Crotonaidehyde 01 Ethylene Oxide 06 Isopropyl Alcohol 01 Pyridne 01 Ammonia* 05 Cyclohexanone 01 Formaldehyde 03 Isopropyl Ether 01 Styrene Monomer 01 Benzene 01 Dibromoethane 01 Formic Acid* 02 Methyl Butyl Keytone 01 Sulpher Dioxide* 02 Butyl Acetate 01 Dichloronitroethane 01 Glutaraldehyde 04 Methyl Ethyl Keytone 01 Sulphuric Acid* 02 Caprylic Acid 01 Dichloropropane 01 Heptane 01 Methylene Chloride 01 Toluene 01 Carbolic Acid 01 Dimethyl Sulfate 01 Heptylene 01 Nitric Acid* 02 Trichloroethalene 01 Carbon Tetrachloride 01 Dipropyl Keyton 01 Hexane 01 Nitrobenzene 01 Trichloroethane 01 Chlorine* 02 Ethyl Alcohol 01 Hydrogen Bromide* 02 Nitropropane 01 Xylene 01 Chloroform 01 Ethyl Benzene 01 Hydrogen Chloride* 02 Octalene 01 31

32 Modular Labs and Rooms HEMCO ModuLab Room Structures are innovative, pre-engineered modular laboratory workspaces that are engineering engineered and built to meet your size and design requirements. Modular Labs and Applications Industrial Quality Control Laboratory Hazardous Materials Testing CMM/Calibration Lab Controlled Environment Rooms The ModuLab can fit a wide range of applications. Wall panel options are available to meet thermal, chemical resistance, sound, and fire control requirements. Room roof panels can offer load bearing capacity and suspended ceiling systems are available for pressurized overhead supply plenums. Complete environmental control systems can be supplied to meet your precise specifications. Temperature, humidity, room pressure, and variable exhaust control packages are engineered into a convenient and versatile control panel. ModuLabs can be shipped knocked-down to fit through a standard doorway for easy on-site erection. If desired, it can be shipped pre-assembled for turnkey operation complete with laboratory fume hoods, furniture, and all component equipment to meet your laboratory requirements. You can detail your specific requirement on our convenient specification planner. Request an Innovative Modular Labs and Rooms catalog at Typical Modular Floor Plans As technologies change, companies need facilities that can immediately be put into use or quickly adapt with a minimum amount of installation, time, and cost. The ModuLab features a modular wall panel system that is a cost effective and time efficient alternative to traditional construction. It gives you a fullt equipped, high quality enclosure that is easily expanded or relocated as needs change. Determine where the room should be located, assemble the ModuLab, connect serivces and start your process (4 x 8 ) (8 x 8 ) ( 8 x 12 ) (12 x 12 ) ( 8 x 16 ) (12 x 16 ) 32 Rooms include: lab furniture, countertops (yellow), sink and gooseneck faucet (green), fume hood (orange), fluorescent lighting (blue), and slide entry door (purple). Request a tech data sheet for room specifications..

33 HEMCO Plan-A-Lab Worksheet The HEMCO Plan-A-Lab enables you to conveniently lay out your lab furniture and your modular lab room structure to enclose and regulate the lab work area. A Modular Wall System B Modular Wall System A B C Furniture Layout Instructions Determine the dimensions of the area (wall to wall) where the proposed lab furniture will be located. Position the countertops in desired location for optimal work flow efficiency and ergonomics. Remember to allow a wider dimension of 42 for aisle width. Higher traffic aisles require a wider dimension. Locate water drain and supply locations for required sink placement. Decide if backsplashes, rear curbs, or island reagent shelves are required. Reference pages 7-8. Specify the style of grouping or individual cabinet selection. Reference pages 4-5. If utility services are required, such as electrical services, service fixture keycocks, DI or cold water faucets, and safety services, please locate their placement on the benchtops. Specify fume hood model or size if required (see page 18 for HEMCO s Plan-A-Hood worksheet). Should a modular room structure be required to isolate the lab workarea from a surrounding warehouse or production area, follow these steps. Specify inside dimension requirements, verify available height clearance above the room, and verify the distance to the roof above. See above diagram. Determine the number, type, and size of doors required and whether windows are needed. If air conditioning is required, please detail the number of people, heat load of proposed lab instruments, ambient surrounding temperature, and the desired location for HVAC (e.g. floor, wall, roof, etc.). Advise the class of clean room and if an airlock will be necessary. Consider if the proposed lab can be accessed from a dock area. For more information, visit HEMCO s website at and click on Plan-A-Lab Spec Planner. C 33

34 Modular Clean Rooms Where critical levels of cleanliness must be maintained, a HEMCO pre-engineered, modular, clean room system offers a cost effective alternative to conventional construction while providing quality, durability, and clean room performance. Class ,000 Single Pass or Recirculating Airlock Temperature Control Flooring Double or Automatic Doors Pass Throughs Clean Lab, Class 100, with airlock Compounding Clean Room, Class 1000, with filtered airlock Calibration Clean Lab, Class CONSTRUCTION FEATURES Wall and ceiling panels are chemical resistant, smooth, and non-porous for easy cleaning and decontamination. Panel surfaces can be constructed of fiberglass, stainless steel, coated steel, or aluminum. Convenient access to HEPA filters and lighting allows them to be serviced from inside the room. HEMCO Modular Clean Rooms are moveable, expandable, and relocatable to provide years of useability and versatility. CONCEPT TO COMPLETION HEMCO s experience technical staff will gladly assist in the design and engineering of your clean room from concept to completion. Technical staff will work closely with you to answer questions or suggest solutions, helping to develop a clean room to your exact specifications. Please visit our website at to request a HEMCO Clean Room Specification Planner and brochure. 34

35 Clean Enclosures Softwall CleanRooms Applications: HEMCO Softwall CleanRooms provide a versatile, reliable, and flexible solution for budget-sensitive and specific need requirements. The clear, vinyl curtains can be strip or solid, allowing access where desired. HEPA filtration can be engineered to meet class 100 to class 100,000. The airflow is single pass. Features: Optional static dissipative curtains are available and casters can be supplied, allowing the softwall clean rooms to be moved. Softwall clean rooms are offered in standard sizes of 6 x 4, 8 x 4, 8 x 8, 8 x 12, 8 x 16, 12 x 12, and 12 x 16. HEMCO also builds to meet your size and design needs. Containment Control Systems Applications: Engineered to safely control the sampling and weighing of powders to meet FDA, COSSH, and GMP requirements. Available in class 100 to class 100,000 environments that are negative to the surrounding area to ensure containment. Features: Containment booth is available in either unitized (shipped assembled) or modular (assembled in the field) construction. Clear, vinyl stips allow for easy pallet/drum access. Light, fans, and controls are included. Optional casters are available for mobile applications. Standard sizes are 6 x 4, 6 x 6, 8 x 4, 8 x 6. Other sizes can be built to meet your exact needs. EnviroMax Enclosures Applications: EnviroMax Vented Enclosures and HEPA Filtered Clean Enclosures are offered in unitized or modular models to isolate lab automation processes. Hazardous fumes can be safely exhausted or Class 100 laminar flow sterility can be maintained. Features: Available in standard sizes from 4 to 12 long and 2 1/2 to 5 deep. Enclosures are constructed of powder-coated, welded steel or anodized aluminum. Access can be from any or all sides. Electrical and plumbing services, countertops, base tables, and many other accessories are optional. 35

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