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Transcription:

(Alarm Valve). 8123-52 กก ก

. 8123-52 1. 1.1 กก ก กก 1.2 1.2.1 ก (Alarm Valve) ก ก (Alarm Valve) (Alarm Valve) ก ก ก ก กก 1.2.2 ก (Alarm Valve) 25 (1 ) 300 (12 ) 1.2.3 ก (Alarm Valve) กก 2. กกก ก (Solid Flow System) กก ก ก (Sensitiveness) ก กกกก (Electrical and Mechanical Alarms) ก (Retard Factor) กกกกก ก ก. 8123-52 : - 219 -

(Waste of Water) กก ก กกก 3. 3.1 ก 3.1.1 กก ก 3.1.2 ก ก. 381-2534 3.1.3 ก ANSI/ASME B1.20.1. 3.1.4 ก ANSI B1.20.3. 3.1.5 ก ANSI V16.1 3.1.6 ก ANSI/AWWA C207 3.1.7 ก ANSI/ASME B16.5 3.1.8 Alarm Accessories for Automatic Water-Supply Control Valves for Fire Protection Service, UL 753 4. ก 4.1 ก 4.1.1 ก ก 4.1.2 (Size) กกกก ก กกกก 4.1.3 (Working Pressures) กก 1,200 กก 4.1.4 (Positions) กกก ( ) - 220 -. 8123-52 :

4.1.5 (Bodies and Covers) 4.1.5.1 กกกกกก ก ก ก ก (Thermal Shock) 4.1.5.2 กกกก 4.1.5.3 (Flange Class) ก กก (ก) ก ก. 381-2534 () ก ANSI/ASME B1.20.1. () ก ANSI B1.20.3. () ก ANSI V16.1 125 ก () ก ANSI/AWWA C207 1,200 กก ก ANSI/ASME B16.5 กก 1,200 กก 4.1.5.4 กกกก ก NFPA13, Standard for the Installation of Sprinkler Systems 4.1.5.5 กก ก 0.9 6.1 138 กก 4.1.5.6 (Retard Chamber) ก 15 ก 8 4.1.5.7 ก 20 ก 50 32 65 80 50 100 4.1.5.8 กก ก. 8123-52 : - 221 -

4.1.5.9 ก: (1) (2) ก ก ก ก ก (ก) ก ก () กกก กก ก 4.1.5.10 กกก 4.1.5.11 150 กก 12.7 (1/2 ) ก 4.1.5.12 กก กก ASTM A307 414 กก กก ASTM A563 ก A B ASTM A307 4.1.5.13 (Load) กกก 2 กก ASTM A307 414 กก ก 5 ก 150 4 200 ก (1) กก (Full-face Gasket) (2) ก ก (Ring Gasket) กก 4.1.5.14 กกก 4.1.6 กก (Valve Mechanisms) 4.1.6.1 กก กก กกก - 222 -. 8123-52 :

4.1.6.2 กก 4.1.6.3 กก 4.1.6.4 ก ก 4.1.6.5 กกกก Phosphor Bronze 4.1.6.6 กกกกก : (1) กกกก (Monel Metal) (2) กกกกก Inserts กกกกก 4.1.6.7 กก กกก 4.1.7 ก (Clapper Supports) 4.1.7.1 (Clapper Arm Bushing) ก (Hinge Pin Bearing) กก 3.2 ก (Side Plug) ก ก ก (Screw Thread) กกกกก ก 4.1.7.2 (Clapper Arm) (Hinge Pin) ก กกก กก กกกกก (Surge) กก ก 4.6 กก 9.5 ก 80 กก 11.1 90 4.1.7.3 ก (Bearing) กกกกก. 8123-52 : - 223 -

4.1.7.4 4.1.7.5 ก (Hinge-pin Support Bearing) ก (Clapper-arm Bearing) กกก 70 ก ก 7.9 ก กกกกก 300 4.1.8 (Clapper Stops) 4.1.8.1 (Clapper) กกกกก ก 4.1.8.2 กกกก กก 4.1.9 (Clapper Rings and Seat Rings) 4.1.9.1 ก กกก กก ก ก กกก กก (Metal Clapper Ring) กก (Body Seating Ring) ก 3.2 (1/8 ) 4.1.9.2 ก 3.2 ก 4.1.9.3 ก 3.2 (1/8 ) 4.1.9.4 ก ก (Dovetailed) ก ก 4.1.9.5 กกก ก 4.1.9.6 ก ก กกกก - 224 -. 8123-52 :

4.1.9.7 กก กกกก 4.1.10 (Nonmetallic Materials) 4.1.10.1 ก ก (1) กกกก (2) ก (3) ก (4) ก 4.1.10.2 กกกก (กก) 4.1.11 (Clearance) 4.1.11.1 กก กกกกกกก ก 4.1.11.2 ก ก ก ก ก 12.7 ก 6.4 ก 4.1.11.3 ก (Hub of Clapper Arm) ก 12.7 4.1.11.4 ก 6.4 กก กก ก 4.1.11.5 กกก 0.127 4.1.11.6 ก (Clapper-arm Bearing) ก ก 4.1.12 กก (Auxiliary Checks) 4.1.12.1 กก (Bypass) กก กก ก ก/กก. 8123-52 : - 225 -

4.1.12.2 กกกกก กก 4.1.12.3 กก กกก 4.1.12.4 กกกกก กกกก ก 4.1.12.5 กกกกกก กกกก กกกก 4.1.12.6 กก กก 4.1.12.7 กก 4.1.13 (Retarding Chambers) 4.1.13.1 กกกกกก 4.1.13.2 กกก ก Phosphor Bronze 4.1.13.3 ก 50,000 ก 4.1.13.4 ก (Hydrostatic Pressure) 2 1 กก 4.1.13.5 กก ก กกกก ก 4.1.13.6 กกก (Orifice) ก 1.6 ก ก ก 20 กก - 226 -. 8123-52 :

4.1.13.7 ก กก ก 4.1.13.8 (Retard Chamber) กก (Alarm Devices) ก 15 4.2 กก 4.2.1 กกกก 4.2.2 กกกกก ก กกก 4.2.2.1 (Alarm Valve) กก (Automatic Sprinkler System) (Water Motor Gong) (Fire Alarm System) ก (Pressure Switch) 4.2.2.2 ก (Zone) กก กก 4.2.2.3 กก (Alarm Valve) ก. 8123-52 : - 227 -

3 กก 1. ก 6. 2. 7. ก 3. (Alarm Valve) 8. 4. 9. 5. 10. 4.2.2.4 กกก (ก) ก (Wet Pipe System) กก ( ) กก (Maximum Protection Area Limitations) (System - 228 -. 8123-52 :

Riser) (Combined System Riser) ก 1 ก ( 4.2.2.4) ก () 4,831 (52,000) ก 4,831 (52,000) ก -Pipe Schedule 2,323 (25,000) -Hydraulically Calculated 3,716 (40,000) () (Dry Pipe System) กกกกก กก 2,839 กกก (System Test Station) ก 60 () (Pre-Action System) กกกกก กก 2,839 กกก (System Test Station) ก 60 () (Deluge System) กกกกกก (Hydraulically Calculated) 4.3 ก 4.3.1 ก ก ก (Alarm Valves) ก ก ก (Valve Trim). 8123-52 : - 229 -

ก ก Shut off valve ก กก ก ก 4.3.2 ก ก 4.2 ก ก กกก ก 4.3.2.1 (Alarm Valve) กกก (Types of System) 4.3.2.2 ก กกกก 5 ก (ก) กก (Water Motor Gong) ก (Alarm Devices) ก กก 23 (75 ) ก 6 (20 ) () กก (Water Motor Gong) ก () ก () กก 4.4 ก 4.4.1 ก (Alarm Valve) กก ก (Seat Disc) ก ก 4.4.2 ก (Metallic Materials Test) 4.4.2.1 กก ก ASTM กก (ก.) - 230 -. 8123-52 :

4.4.2.2 ก 50,000 4.4.2.3 กกก Hydraulic Cylinder ก 50,000 (Clapper Spring) (Clapper) กก 45 Internal Bypass Spring Bypass ก (Retard Chamber Diaphragms) (Diaphragms) กก กก 6 4.4.3 ก (Nonmetallic Materials Test) 4.4.3.1 ก 4.4.3.1.1 ก (Clapper facings) (O-rings) 4.4.3.2 4.4.3.1.2 (Elastomeric) กก (Gasket) ก 4.4.3.3 4.4.3.2 ก (Plastic Parts) 4.4.3.2.1 121 180 กก ก ก กกก ก 4.4.6 4.4.9 4.4.3.2.2 ก กกกก (Full Draft) (Circulating Air Oven) 121 ±1 กก ก (Elastomeric Facing) (ORing) ก ก. 8123-52 : - 231 -

กก ก 180 23 ±2 ก 24 ก (Elastomeric) กก กก (Aging Test) (Full Draft) ก ก ก ก (Fully Open) Type II A Standard Specification for Gravity Convection and Force Ventilation Ovens, ASTM E145 4.4.3.2.3 ก ก กก ก 87 4.4.3.2.4 ก 87 180 กก กก ก ก 4.4.6 4.4.9 4.4.3.3 (Elastomeric) กก (Gasket) 4.4.3.3.1 (Elastomeric) ก (Seal) ก Standard for Gaskets and Seals, UL 157 (ก) ( PolyOrganoSiloxane ก) (Tensile Strength) ก 3.4 กก (Ultimate Elongation) ก 1 () (Natural Rubber) (Synthetic Rubber) (Tensile Strength) ก 10.3 กก (Ultimate Elongation) ก 1.5-232 -. 8123-52 :

(Tensile Strength) ก 15.2 กก (Ultimate Elongation) ก 1 () ก ( (Tensile Strength) (Elongation) ก (Oven Aging) ก ก Standard for Gaskets and Seals, UL 157 กก 60 4.4.3.3.2 ก Standard for Gaskets and Seals, UL 157 กก Finished Elastomeric ก (Oring) กก 25 4.4.4 ก (Adhesion Test for Resilient Seat Material) 4.4.4.1 ก (ก) (Clapper Facing) ก Fc ก F c = DPI 4 F C = ก () D = ก () กก Seat Material กก ก 2 P = (Psig) l = Seat Material ก ก ก; () ก F C ก (ก) () กก (Tension Compression Machine) กก 4.4.4.1 () () กกก (Clamp) 90 ก 87 ก 30 60. 8123-52 : - 233 -

กก (ก) () ก () ก 90 กกกก 1 ก (Tension Compression Testing Machine) () กกก 2.5 (Tensile Force) กก (Resilient Clapper Facing) กก (Seat) ก 34 กก ก A D 2 80. 38. 19. 27. 25.4. 25.4. 9.5. ก 1 ก - 234 -. 8123-52 :

W D OD 2 ก ( 4.4.4) 4.4.5 กก (Installation Assembly Test) 4.4.5.1 (Alarm Valve) ก ก ก 4.4.5.2 (Alarm Valve) 1 (Water Motor Alarm) (Alarm Valve) Seat 1.80 กก 20 (3/4 ) 23 3 4.4.6 กกก (Handhole Openings) 4.4.6.1 ก 4.4.4 4.4.5 กก ก 4.4.6.2 ก 150 (6 ) ก (Tension Compression). 8123-52 : - 235 -

กกกก ก ก ก 2 กก 2 ก ( 4.4.6.2) ก () 50 (2) 680 153 65 (2- ½ ) 1,050 236 80 (3) 1,437 323 100 (4) 2,175 489 150 (6) 4,199 944 200 (8) 6,703 1,507 250 (10) 9,950 2,237 4.4.6.3 กก ก กก กก ก ก กก 4.4.7 กกก (Positiveness of Response and Transmission Test) 4.4.7.1 กกก (Mechanic) กกกก กก ก (Alarm) ก 0.30 6.1 4.4.7.2 ก (Rated Pressure) กก 4.4.7.3 4.4.7.4 ก (Reset) 4.4.7.5 4.4.5 34.5 กก ( ) - 236 -. 8123-52 :

4.4.7.6 Electric Alarms 34.5 กก Electric Alarms กกกก 4.4.8 กกกก (Hydraulic Friction Loss Test) 4.4.8.1 ก กก 20.7 กก ก 4.5 4.4.8.2 ก กก กกก (Differential Mercury Gauge) ก (Piezometer) ก กกก กก ก กกก 4.4.8.3 กก กก กก ก ก 4.4.8.2 4.4.8.3 4.4.9 กก 4.4.9.1 2 ก ก 1 กก (Seat) 4.4.9.2 1.50 16 ก กกก ก ก ก 4.4.10 ก 4.4.10.1 ก 150 (6 ) 5 ก (Maximum Rated Working Pressure) ก 8 4 ก (Maximum Rated Working Pressure). 8123-52 : - 237 -

1 ก (Valve Clapper) ก ก 4.4.10.2 กก กก ก ก ก 4.4.11 กก 4.4.11.1 ก 4.4.11.1.1 ก 15 76 (ก) 138 690 กก (20 100 ) ก 1,200 ก ก () 138 กก ก(Maximum Rated Working Pressure) 517 ก ก (Working Pressure) กก 1,200 กก กก 5 ก (Down Stream) 4.4.11.1.2 (Alarm Valve) 5 ก (Down Stream) กก (Rated Working Pressure) กกก Sprinkler (Nominal Orifice Size) 10 4.4.11.1.3 (Service Pressure) (System Pressure) ก 1.15 1 4.4.8 กก 90 กก (13 ) ก (Rated Working Pressure) 517 กก (75 ) - 238 -. 8123-52 :

4.4.11.1.4 กก 5 ก ก (Alarm Valve) กกก 4.4.11.1.1 4.4.11.1.5 กกก ก 15 4.4.11.1.6 4.4.5 4.3 ก ก ก กก 4.4.11.1.7 กก ก Special Alarm Port Drain Fitting กก ( กก Alarm Port Drain Fitting) 4.4.11.1.8 กก ก ก (Bourdon Tube Pressure Gauge) (Manometer) ก กก (Clapper) 4.4.11.1.9 (Manometer) ก กกก (Clapper) กก (Seat) กก Manometer (Clapper) ก 4.4.11.1.3 ก กก ก กก ก กก 4.4.11.1.10 กก ก 4.4.11.2 ก (Retarding Factor) 4.4.11.2.1 ก (Retarding Factor) (Retard Chamber) 5 90 ก กก 4.4.11.1.1 25 4.4.11.2.2 4 ก ก ก 4.4.11.1.1. 8123-52 : - 239 -

กก ก 0.24 กก ก 3 กก ( 4.4.5.2) ก. ก 2 15,100 (4,000 ก) 0.060 กก (1,000 ก) 1.21 กกก (175 ) ก 200 (8 ) ก. (Gate Valve). 100 (4 ) 65 100 (2 ½ 4 ) 100 (2 ½ ) 100 (4 ) 80 100 (3 4 ) 80 (3 ) 100 (4 ) 100 (4 ) 150 (6) 150 (6) 150 (6) 200 150 (8 6 ) 200 ( 8 ).. - 240 -. 8123-52 :

. 65 40 (2 ½ 1 ½ ) 65 (2 ½ ) 80 40 (3 1 ½ ) 100 (4 ) 150 100 40 (6 4 1 ½ ) 150 (6) 200 150 40 (8 6 4 1 ½ ) 200 (8 ). (Retard Chamber). (Manufacturer Pressure Switch). (Water-motor Alarm Gong) 20 (¾ ) ก 22.9 ก 1.8. ก 40 (1 ½ ) 3.7 ±152. กกก 2 ก 0.00012 0.00189 กก (2 30 ก).. Weigh barrel กกก ก 4 กก ( 4.4.11.2.2). 8123-52 : - 241 -

ก. (Alarm Valve). ก. ก. (Retard Chamber). Close pipe nipple 20 (¾ ) ก 77. 20 (¾ ). 20 (¾ ) (Cross Fitting). Pipe nipple 20 (¾ ) ก 152.. 20 (¾ ) (Tee Fitting). 0 200 กก (0 30 ). Close pipe nipple 20 (¾ ). ¾ (Ball Valve). 20 (¾ ). (Water Motor Alarm) 4.4.12 กก (Manufacturing and Production Test) 4.4.12.1 ก กก ก ก กกก ก กก (Rated Pressure) กก ก (Rated Pressure) ก ก 620 กก ก (Downstream) กก (Clapper) ก 4.5 ก ก 4.5.1 4.5.2 กก 4.5.3 ก - 242 -. 8123-52 :

4.5.4 ก 4.5.5 ก 4.5.6 4.5.7 ก 4.5.8 กกกก 4.5.9 กกกก ก ก ก 4.5.10 กก ก. 8123-52 : - 243 -

กก ( 4.5) :. ก ก : ก กก : ก : ก ก : ก กก : : ก : กกก ( ) - 244 -. 8123-52 :

:. กกกก กก () ( 4.5) ก ก : ก ( ). 8123-52 : - 245 -

5. ก 5.1 ก 5.1.1 (Alarm Valve) (Retarding Chamber) (ก) ก () () ก (Alarm Valve) Retard 5.1.2 (Alarm Valve) (ก) (Nominal Size) () (Working Pressure) () 3 6 กก () กก () ก 5.1.3 ก ก 5.6 (ก) 5.1.1 (ก) () 5.1.2 (ก) () () ก 6.4 (1/4 ) ก 80 (3 ) 10 (3/8 ) ก 80 (3 ) ก ก 0.76 กก 1.3 () (Retard Chamber) ก ก 4.8 กก 5.1.4 ก 5.1.2 () ก 5.1.6 5.1.3 (ก) 5.1.3 (ก) 5.1.5 ก 5.1.2 () ก 5.1.6 ก 5.1.1 (ก) () 5.1.2 (ก) (),() - 246 -. 8123-52 :

กกก ก 4.8 กก 0.13 5.1.7 กกก กก 5.1.8 ก กก 5.2 ก 5.2.1 กก ก.. 2551 5.2.2 UL 193, 2004 Edition; Alarm Valves for Fire-Protection Service, by Underwriters Laboratories Inc., U.S.A 5.2.3 UL 753, 2004 Edition; Standard for Alarm Accessories for Automatic Water-Supply Control Valves for Fire-Protection Service, by Underwriters Laboratories Inc., U.S.A. 5.2.4 NFPA 13, 2007 Edition; Standard for the Installation of Sprinkler Systems, by National Fire Protection Association, U.S.A.. 8123-52 : - 247 -