4820-01-463-0271 VALVE,SAFETY RELIEF Index 5315-01-463-0273 PIN,STRAIGHT,HEADED

National Stock Number:
4820-01-463-0272

Federal Supply Class:
4820

National Item Identification Number:
014630272

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:
5159T-2MP(L)-47891816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING478.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCY5100 SERIES RELIEF VALVE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN FIFTH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FOURTH RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL THREAD SIZE0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES SECOND END
SPECIAL FEATURESLOCKWIRE SPECIAL CHARACTERISTIC (L)
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END


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