4820-01-274-0302 VALVE,CHECK Index 4820-01-274-0304 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-274-0303

Federal Supply Class:
4820

National Item Identification Number:
012740303

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:
33F-CB2 2IN61661NEWMANS INC NEW JERSEY DIV
PS-3302C20061661NEWMANS INC NEW JERSEY DIV


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE10.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL UNS J03002 BODY
MATERIALSTEEL UNS K91151 OVERALL
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER6.500 INCHES ALL ENDS
NOMINAL THICKNESS0.875 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER3.625 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.063 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
SPECIAL FEATURESSWING TYPE
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES


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