4820-00-287-3154 VALVE,SAFETY RELIEF Index 4110-00-287-3161 REFRIGERATOR,PREFABRICATED

National Stock Number:
4820-00-287-3155

Federal Supply Class:
4820

National Item Identification Number:
002873155

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.


Manufacturer Information:
2AC1074235301DRESSER INDUSTRIES INC LEROI DIV
999SIZE1-4 200PSI33216KENNEDY VALVE DIV OF ITT GRINNELL VALVE CO INC
999SIZE1-4200PSI33216KENNEDY VALVE DIV OF ITT GRINNELL VALVE CO INC


Techincal Specification:
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY SEAT
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY STEM
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES FIRST END
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH
VALVE DISCHARGE FLOW RATE60.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


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