4820-01-273-3633 VALVE,CHECK Index 4820-01-273-3635 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-273-3634

Federal Supply Class:
4820

National Item Identification Number:
012733634

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:
259A-4PP-.591816CIRCOR AEROSPACE, INC.
5122709-033-10199696LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS


Techincal Specification:
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDCARBON DIOXIDE SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, NATURAL THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH FIFTH RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
OPENING PRESSURE SETTING0.5 POUNDS PER SQUARE INCH
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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