4820-01-139-2106 VALVE,SAFETY RELIEF Index 4820-01-139-2108 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-139-2107

Federal Supply Class:
4820

National Item Identification Number:
011392107

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:
D801-126196101GAS EQUIPMENT ENGINEERING CORPORATION, THE DBA GEECO


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL THREAD SIZE0.500 INCHES SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END
SPECIAL FEATURES1/2 X 1/2 FF-B BRASS NIPPLE AT INLET,LOX CLEANED
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END


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