4820-01-272-3888 VALVE,CHECK Index 4820-01-272-3890 VALVE,CHECK

National Stock Number:
4820-01-272-3889

Federal Supply Class:
4820

National Item Identification Number:
012723889

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:
T-433-Y12168NIBCO INC
T-433-Y21268EDWARDS VACUUM LLC


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
DISK LOADING METHODWEIGHT
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY 836 SEAT
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESSWING CHECK TYPE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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