4820-01-288-5256 VALVE,CHECK Index 4810-01-288-5258 VALVE,SOLENOID

National Stock Number:
4820-01-288-5257

Federal Supply Class:
4820

National Item Identification Number:
012885257

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:
15SW-4IN79342WILLIAM E WILLIAMS VALVE CORP
B15SW-4IN79342WILLIAM E WILLIAMS VALVE CORP


Techincal Specification:
MATERIALCOPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE4.000 INCHES
FACE TO FACE DISTANCE11.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH 1ST RESPONSE
225.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT 1ST RESPONSE
150.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER9.000 INCHES ALL ENDS
NOMINAL THICKNESS0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL


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