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:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL CORROSION RESISTING BODY
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
HELIUM 2ND RESPONSE
FUEL/OIL, HYDROCARBON 3RD RESPONSE
WATER, FRESH 4TH RESPONSE
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL TUBE 1ST END
THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
SEAT ANGLE37.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
UNJ 2ND END
NOMINAL THREAD SIZE0.875 INCHES ALL ENDS
THREAD QUANTITY PER INCH14 2ND END
THREAD CLASS3B 1ST END
3A 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE160.0 TO 240.0 POUNDS PER SQUARE INCH


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