4820-01-118-1984 VALVE,SAFETY RELIEF Index 4820-01-118-1986 VALVE,BUTTERFLY

National Stock Number:
4820-01-118-1985

Federal Supply Class:
4820

National Item Identification Number:
011181985

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:
D524B-8M-491816CIRCOR AEROSPACE, INC.
GV500KE91816CIRCOR AEROSPACE, INC.
GV500KE8M4B91816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY OVERALL
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, CHLORINATED TRANSFORMER SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS THIRD RESPONSE
NOMINAL THREAD SIZE1.000 INCHES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


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