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		                        | National Stock Number:
 4820-01-551-2812
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 015512812
 
 Description:
 VALVE,SAFETY RELIEF
 
 Detail:
 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
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 Manufacturer Information:
 
 | 1912-00H-1-CC-MS-31-RF-LA | 16497 | DRESSER, INC. | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE FLANGED ENDS |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | STEEL BODY |  |  | COPPER ALLOY 316 FLOW CONTROL DEVICE |  | VALVE SIZE | 2.000 INCHES |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 6250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 1500.0 DEG FAHRENHEIT SINGLE RESPONSE |  | VALVE DISCHARGE FLOW RATE | 738.0 GALLONS PER MINUTE |  | CONNECTION TYPE | FLANGE ALL ENDS |  | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |  | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |  | BONNET TYPE | INSIDE SPRING |  | BONNET ATTACHMENT METHOD | BOLTED |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 920.0 POUNDS PER SQUARE INCH |  | MINIMUM OPERATING TEMP | 1500.0 DEG FAHRENHEIT |  | SPECIAL FEATURES | APPLICATION: FEED WATER; 2" X 3" ANGLE VALVE WITH SEMI-NOZZLE INLET WITH H SIZE ORIFICE SEAT; FLANGES IAW AISI CL600 INLET AND CL150 OUTLET |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | RELIEF VALVE | 
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