4820-01-248-5138 VALVE,SAFETY RELIEF Index 4820-01-248-5140 VALVE,BUTTERFLY

National Stock Number:
4820-01-248-5139

Federal Supply Class:
4820

National Item Identification Number:
012485139

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:
912BFEM01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
912BFEM01-KG027101343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
C10958-1 271T3001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
C10958-1 271T300 PSI 1/2X3/4NPT01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+271.0 TO 300.0 POUNDS PER SQUARE INCH
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 464 BODY
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
NOMINAL THREAD SIZE0.500 INCHES SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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