4820-01-270-2449 VALVE,CHECK Index 4820-01-270-2451 VALVE,CHECK

National Stock Number:
4820-01-270-2450

Federal Supply Class:
4820

National Item Identification Number:
012702450

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-D15 4IN61661NEWMANS INC NEW JERSEY DIV
31F-DI5 4IN61661NEWMANS INC NEW JERSEY DIV
PS-3104D5UG61661NEWMANS INC NEW JERSEY DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODWEIGHT
FACE TO FACE DISTANCE11.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALIRON BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER9.000 INCHES ALL ENDS
NOMINAL THICKNESS0.940 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER6.190 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SPECIAL FEATURESSWING CHECK TYPE
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE4.000 INCHES


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