4820-00-203-3668 VALVE,CHECK Index 4820-00-203-3670 VALVE,CHECK

National Stock Number:
4820-00-203-3669

Federal Supply Class:
4820

National Item Identification Number:
002033669

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:
WW-V-5181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) 1ST END
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-16 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY STEM
MATERIALCOPPER ALLOY BODY
MAXIMUM OPERATING TEMP125.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP125.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.750 INCHES 1ST END
NONDEFINITIVE SPEC/STD DATA3 TYPE AND A CLASS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC


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