4820-00-100-2870 VALVE,SAFETY RELIEF Index 4820-00-133-0768 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-126-6545

Federal Supply Class:
4820

National Item Identification Number:
001266545

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:
327449655380HATCH & KIRK, INC.
327449672915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
330162255380HATCH & KIRK, INC.
330162272915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL OVERALL
FLOW CONTROL DEVICEPOPPET
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
FLANGE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
FLANGE SHAPEROUND 2ND END
NOMINAL OUTSIDE DIAMETER1.625 INCHES 2ND END
NOMINAL THICKNESS1.750 INCHES 2ND END
FLANGE FACE DESIGNPLAIN 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
DISK LOADING METHODSPRING


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