CAPITAL CONTROLS SERIES 480

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CAPITAL CONTROLS SERIES 480 All vacuum gas feeders designed for manual or semi-automatic gas regulation. The Capital Controls Series 480 all-vacuum gas feeder is designed for direct mounting to a 150 pound gas cylinder or ton container. It is a basic alternative for those applications requiring a chlorine feed rate of 250 PPD (5 kg/h) or less. The gas feed rate is controlled under sonic flow conditions eliminating the need for an auxiliary differential pressure regulators. Multiple feed points can be fed using one feeder by utilizing additional remote meters and corresponding ejectors. A variety of different ejectors are available to meet specific hydraulic requirements. Safe and reliable all-vacuum operation Superior materials of construction for wet or dry gas service Safe integral venting system Six capacities up to 250 PPD (5 kg/h) Solid silver rate and inlet valves Direct cylinder mounted Replaceable inlet capsule Remote metering available Optional switchover capability with automatic reset for uninterrupted service For more information on Capital Controls gas feeders visit www.denora.com

We Understand Gas Feed Systems Capital Controls Series 480 Easy to install, for indoor or outdoor installation, each Series 480 chlorinator is factory tested and needs no field adjustment prior to start-up. Five different flowmeter capacities provide versatility in meeting gas flow requirements. Chlorinators mount directly on the gas valve of a cylinder or ton container, utilizing a lead gasketed positive yoke clamp. Diaphragm ejectors are standard with a choice of diffuser outlets. A Series 480 chlorinator consists of a vacuum regulator, ejector or chemical induction unit and vacuum and vent tubing to make a complete system. If multiple feed points are required, remote meter panels and additional ejectors are provided. A variety of ejectors are available to meet your application needs. A switchover module is offered to provide for uninterrupted service. Design Features Sonic Flow: Gas flows at sonic velocity maintaining constant gas flow; additional pressure regulation is not required Automatic Switchover: A separate, independent device that does not require manual reset. Flow indication is available at both vacuum regulators. Each vacuum regulator has a separate independent vent and an integral pressure relief check valve Reliable: Over 35 years of experience with all-vacuum operation, loss of chlorine supply indicator, integral venting system, main regulating diaphragm, integral gas flow indicator Ease of maintenance: Simplicity of design and modularized components; such as the replaceable inlet capsule for minimized maintenance Superior materials of construction: Solid silver rate valve, corrosion resistant yoke assembly, tantalum springs Applications For process water, waste treatment and water treatment in the municipal or industrial marketplace: Potable water disinfection, well water, surface water treatment facilities Slime and algae control: irrigation systems, cooling towers, rechlorination points, remote systems Wastewater disinfection: packaged plants, lagoons, industrial effluents Process water: chemical and pharmaceutical manufacture, food (washdown, canning, bleaching, taste and odor control) Cyanide, chromium removal: metal finishing wastes Recreation water: swimming pools, fountains, spray ponds 2 De Nora Water Technologies

Operation Water flowing through the ejector venturi, creates a vacuum which opens the check valve in the ejector. The vacuum is carried through the vacuum line to the vacuum regulator where the pressure differential created causes the inlet valve at the vacuum regulator to open, initiating gas flow. A spring opposed diaphragm in the vacuum regulator, regulates the vacuum. The gas passes under vacuum through the flowmeter, the rate control valve, the vacuum line and to the ejector. Here the gas is thoroughly mixed with the motive water and applied as a solution. The system is completely under vacuum from the ejector to the vacuum regulator inlet safety valve. If the water supply to any ejector stops or vacuum is lost for any other reason, the spring loaded inlet valve immediately closes and isolates the gas supply. If the gas source is depleted, the unit seals to prevent moisture from being drawn back into the gas source. When more than one feed point is desired multiple flowmeters and ejectors can be supplied. Technical Data Quality Standard: ISO 9001 Capacities: Standard dual-rate indicating flowmeters are available with the following capacities: 4, 10, 25, 50, 100, 250 PPD (75, 200 g/h, 0.5, 1, 2, 5 kg/h) of chlorine gas. Flowmeter: The minimum feed capacity is 1/20th of the maximum capacity. Accuracy is within ±4% of maximum flowmeter capacity. Series 480 Vacuum Gas Feeder Model 4 8 C FEATURE A B C POSITION Position Feature Description A Maximum Capacity 1 100 PPD (2 kg/h) 2 250 PPD (5 kg/h) B Gas Handled C Chlorine C Vacuum Regulator Mounting 1 Cylinder or manifold mounted with rate valve 2 Container mounted with drip leg and rate valve 3 Cylinder or manifold mounted with remote meter(s) and rate valve 4 Container mounted with drip leg with remote meter(s) and rate valve De Nora Water Technologies 3

We Understand Gas Feed Systems Automatic Switchover For uninterrupted gas feeding on a round-the-clock basis, an automatic switchover system is required. Each system consists of two vacuum regulators, one vacuum type automatic switchover module, one ejector and one remote meter panel. An automatic switchover module allows gas to flow under vacuum from the regulator in service through the switchover module to the remote meter panel and the ejector, until that source is depleted. The vacuum sealing valve on the regulator then closes and the vacuum level in the system increases, initiating the spring-loaded toggle assembly in the switchover module. (See figure below) The open valve on the depleted source closes while the valve on the standby source opens to permit gas flow. When a fresh gas supply replaces the depleted source it will automatically be placed in standby. The fresh supply will not be accessed until the in-service supply is exhausted. Chemical Induction Units De Nora Water Technologies CHLOR-A-VAC Series 1420 chemical induction units offer improved chlorination and dechlorination through the high-efficiency mixing of gaseous chemical with process water. This translates into operating and chemical cost savings. CHLOR-A-VAC units produce a vacuum when process water passes through water inlet ports and through a venturi. The high vacuum and recessed impeller create great turbulence to insure complete chemical mixing. A chemical induction unit in lieu of an ejector should be considered for the following applications: contact basins, headwater, return sludge processes, clarifier inlets, collection basins, equalization tanks and clear wells. (Refer to Bulletin 130.0001) Automatic Switchover Flow Diagram DIAPHRAGM TO REMOTE FLOWMETER O-RING SEAT FROM VACUUM REGULATOR NO. 1 TOGGLE ASSEMBLY FROM VACUUM REGULATOR NO. 2 4 De Nora Water Technologies

Cylinder Mounted Chlorinator Flow Diagram LEAD GASKET CYLINDER VALVE STEM INLET SAFETY VALVE VACUUM SEAL O-RING TO VENT RATE VALVE OUTLET CONNECTION CYLINDER VALVE PACKING UNIT YOKE CLAMP X X INLET FILTER VENT VALVE RATE INDICATOR VACUUM LINE GAS REGULATING DIAPHRAGM ASSEMBLY EJECTOR AND CHECK VALVE ASSEMBLY WATER SUPPLY TO EJECTOR EJECTOR DISCHARGE LIQUID CYLINDER OR CHECK VALVE VACUUM LINE POWER CHLOR-A-VAC CHEMICAL INDUCTION UNIT CONTACT TANK De Nora Water Technologies 5

We Understand Gas Feed Systems Brief Specification The chlorinator design shall be of the vacuum operated, solution feed type. The chlorinator shall be constructed of materials suitable for wet or dry gas service. All springs used in the vacuum regulator shall be of tantalum alloy. The rate valve and seat shall be solid silver. A diaphragm shall be provided for vacuum regulation. The rate of gas feed shall be set manually and shall remain constant until manually changed. The gas shall flow at sonic velocity is eliminating the need for a differential pressure regulator. Warranty De Nora Water Technologies offers a limited three (3) year warranty on the Series 480 chlorinator and a limited lifetime warranty on the springs and Halar diaphragm. De Nora Water Technologies is ISO 9001 certified to provide quality and precision materials. The vacuum regulator shall mount directly on the container valve by means of a corrosion resistant yoke assembly. A spring-opposed inlet valve shall close tight upon loss of vacuum. Each vacuum regulator shall be equipped with a loss-of-gas indicator, and a gas flowmeter. A spring-loaded diaphragm actuated pressure relief valve integral to the vacuum regulator shall be provided to relieve gas pressure. The inlet capsule shall be a complete module, installed without the use of any tools. The vacuum producing device shall be an ejector with a spring-loaded check valve to prevent flooding of the vacuum regulator or a CHLOR-A-VAC chemical induction unit, Series 1420. An automatic switchover module shall be provided with automatic reset. The chlorinator shall be De Nora Water Technologies Capital Controls Series 480C. 6 De Nora Water Technologies

Option: VEGA - Vent Exhaust Gas Arrestor Refer to product bulletin 141.0001 Typical Arrangement For those instances where occasional operational venting cannot be tolerated, a VEGA can be used to eliminate any errant gas emissions. The VEGA will last for a year under normal operating condition. De Nora Water Technologies 7

De Nora Water Technologies 3000 Advance Lane Colmar, PA 18915 United States T: +1 215 997 4000 F: +1 215 997 4062 E: info.dnwt@denora.com www.denora.com Registered Trademark. 2015. All Rights Reserved. LOCAL DISTRIBUTOR: Pall Roces Corporation +63 2 3739359 +63 2 4144969 to 70 www.pallrocescorp.com 100.0001.17 SEP 2015