4820-01-316-4565 VALVE,CHECK Index 4820-01-316-4567 VALVE,CHECK

National Stock Number:
4820-01-316-4566

Federal Supply Class:
4820

National Item Identification Number:
013164566

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:
3420 3/4IN63686THE WALWORTH COMPANY
3420-0.75IN63686THE WALWORTH COMPANY
WN-3420-9 3/4IN63686THE WALWORTH COMPANY


Techincal Specification:
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
MATERIALCOPPER ALLOY 836 BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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