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:
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL CORROSION RESISTING BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDCARBON DIOXIDE FIFTH RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE1.313 INCHES ALL ENDS
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3B FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD QUANTITY PER INCH12 FIRST END
THREAD SERIES DESIGNATORUN ALL ENDS


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