4820-00-202-9794 VALVE,ANGLE Index 4330-00-202-9801 FILTER,FLUID

National Stock Number:
4820-00-202-9798

Federal Supply Class:
4820

National Item Identification Number:
002029798

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:
220WS1 1-463686THE WALWORTH COMPANY
277WS1 1-463686THE WALWORTH COMPANY
DS2161-1PC277WS11-463686THE WALWORTH COMPANY
SS845-1889587ASYB1-1/453711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING (PIPE) ALL ENDS
DISK LOADING METHODWEIGHT
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY 922 BODY
MATERIALCOPPER ALLOY 922 STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC


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