4820-01-220-8277 VALVE,GLOBE Index 4820-01-220-8279 VALVE,BALL

National Stock Number:
4820-01-220-8278

Federal Supply Class:
4820

National Item Identification Number:
012208278

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-10TB-20091816CIRCOR AEROSPACE, INC.
5177T-10TB-20091816CIRCOR AEROSPACE, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+160.0 TO 240.0 POUNDS PER SQUARE INCH
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGASKET SEAL(BOSS) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL CORROSION RESISTING BODY
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH FOURTH RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END
NOMINAL THREAD SIZE0.875 INCHES ALL ENDS
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES SECOND END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A SECOND END
THREAD CLASS3B FIRST END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH14 SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) SECOND END


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