4820-01-167-9444 VALVE,GATE Index 4820-01-167-9446 VALVE,CHECK

National Stock Number:
4820-01-167-9445

Federal Supply Class:
4820

National Item Identification Number:
011679445

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
P48-18091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MAXIMUM OPERATING PRESSURE900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.875 INCHES 2ND END
NOMINAL THREAD SIZE1.062 INCHES 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
SEAT ANGLE37.0 DEGREES 2ND END
SPECIAL FEATURESFIRST END BULKHEAD PER MS33657E12
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE AND CHROMATE
THREAD CLASS3A 2ND END
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNJ 1ST END
THREAD SERIES DESIGNATORUNJF 2ND END
THREAD QUANTITY PER INCH12 1ST END


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