4820-01-318-1121 VALVE,CHECK Index 4820-01-318-1123 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-318-1122

Federal Supply Class:
4820

National Item Identification Number:
013181122

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:
P7575-0DA58818CONTROL DEVICES, INCORPORATED
P7575S58818CONTROL DEVICES, INCORPORATED
VV80355921CURTIS-TOLEDO INC.


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
MATERIALSTEEL BODY
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
OPERATING PRESSURE500.0 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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