4820-01-273-0492 VALVE,SAFETY RELIEF Index 4820-01-273-0494 VALVE,BUTTERFLY

National Stock Number:
4820-01-273-0493

Federal Supply Class:
4820

National Item Identification Number:
012730493

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:
10180904627HYSTER-YALE GROUP, INC.
10180930076HYSTER-YALE GROUP, INC.
312706023REGO CO A MARMON GROUP CO
3127G 1/4IN.06023REGO CO A MARMON GROUP CO


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MAXIMUM OPERATING TEMP165.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS FOURTH RESPONSE
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
OPENING PRESSURE SETTING250.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESVALVE SIZE IS 0.250 IN.
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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