4820-01-190-0983 VALVE,CHECK Index 4820-01-190-0985 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-190-0984

Federal Supply Class:
4820

National Item Identification Number:
011900984

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:
259T-16BB91816CIRCOR AEROSPACE, INC.
493-16SS28-1/272352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
ACETYLENE 2ND RESPONSE
ALCOHOL, ETHYL 3RD RESPONSE
AMMONIA, GASEOUS 4TH RESPONSE
CARBON DIOXIDE 5TH RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-40.0 DEG FAHRENHEIT 1ST RESPONSE
250.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
THREAD SERIES DESIGNATORUN ALL ENDS
NOMINAL THREAD SIZE1.313 INCHES ALL ENDS
THREAD QUANTITY PER INCH12 1ST END
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
MOUNTING POSITIONHORIZONTAL


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