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:
MATERIALCOPPER ALLOY 836 BODY
PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
PLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTMB-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH 1ST RESPONSE
300.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP366.0 DEG FAHRENHEIT 1ST RESPONSE
406.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL


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