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


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


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