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 STYLEPLAIN, OPTIONAL END (PIPE) FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
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 BODY
MATERIALCOPPER ALLOY STEM
MAXIMUM OPERATING TEMP125.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP125.0 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 FIRST END
NONDEFINITIVE SPEC/STD DATA3 TYPE AND A CLASS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


Click here to Register for Free 30-day Trial