4820-01-304-6825 VALVE,SAFETY RELIEF Index 4820-01-304-6827 COCK,PLUG

National Stock Number:
4820-01-304-6826

Federal Supply Class:
4820

National Item Identification Number:
013046826

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:
5132T-12TB(L)-45091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
CONNECTION STYLEGASKET SEAL(BOSS) SECOND END
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
NOMINAL THREAD SIZE1.062 INCHES ALL ENDS
OPENING PRESSURE SETTING450.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
SPECIAL FEATURESFURNISHED WITH LOCKWIRE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD CLASS3A FIRST END
THREAD CLASS3B SECOND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD SERIES DESIGNATORUN SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) FIRST END


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