4820-01-313-4126 VALVE,CHECK Index 4820-01-313-4128 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-313-4127

Federal Supply Class:
4820

National Item Identification Number:
013134127

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:
B-8C4-1/318034NUPRO CO
B-8C4-C1-1/302570SWAGELOK CO
B-8C4-C1-1/318034NUPRO CO
B-8C4-C1-1/33T9T9SWAGELOK CO


Techincal Specification:
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, NATURAL FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDLIQUID SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
OPENING PRESSURE SETTING0.3 POUNDS PER SQUARE INCH
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURESFOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY;FREE FROM MERCURY CONTAMINATION
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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