4820-01-426-2478 PISTON,VALVE Index 4820-01-426-2480 VALVE,DIAPHRAGM,STOP

National Stock Number:
4820-01-426-2479

Federal Supply Class:
4820

National Item Identification Number:
014262479

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:
S-433-Y2-1/2IN12168NIBCO INC


Techincal Specification:
CONNECTION STYLESOCKET (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTMB-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 836 BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MAXIMUM OPERATING TEMP366.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU


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