4820-01-270-4265 VALVE,CHECK Index 4820-01-270-4267 VALVE,CHECK

National Stock Number:
4820-01-270-4266

Federal Supply Class:
4820

National Item Identification Number:
012704266

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:
31F-DI7-12IN61661NEWMANS INC NEW JERSEY DIV
PS-3112D70061661NEWMANS INC NEW JERSEY DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER17.000 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY12 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE27.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER19.000 INCHES ALL ENDS
NOMINAL THICKNESS1.250 INCHES ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A395 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 922 FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 922 SEAT
MATERIALIRON CAST UNS F32800 BODY
MAXIMUM OPERATING PRESSURE275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER15.000 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SPECIAL FEATURESSWING CHECK TYPE
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE12.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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