4820-01-266-8142 VALVE,CHECK Index 4820-01-266-8144 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-266-8143

Federal Supply Class:
4820

National Item Identification Number:
012668143

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:
259B-12PP91816CIRCOR AEROSPACE, INC.
514-970965459LANDOLL COMPANY, LLC


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 4TH RESPONSE
MEDIA FOR WHICH DESIGNEDCARBON DIOXIDE 5TH RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE1.500 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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