4820-01-220-1958 VALVE,CHECK Index 4820-01-220-1960 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-220-1959

Federal Supply Class:
4820

National Item Identification Number:
012201959

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:
V012704845AUTOMATIC SWITCH COMPANY


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING BODY
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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