4820-01-338-4270 VALVE,CHECK Index 4820-01-338-4272 VALVE,CHECK

National Stock Number:
4820-01-338-4271

Federal Supply Class:
4820

National Item Identification Number:
013384271

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:
8928F 6IN95995WALWORTH CO THE
W92863686THE WALWORTH COMPANY


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER9.500 INCHES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE14.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 836 SEAT
MATERIALIRON CAST BODY
MATERIALIRON CAST FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER11.000 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE6.000 INCHES


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