4820-01-330-4937 VALVE,CHECK Index 4820-01-330-4939 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-330-4938

Federal Supply Class:
4820

National Item Identification Number:
013304938

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:
DDG 8873 3IN S151F-6-31679342WILLIAM E WILLIAMS VALVE CORP
S151F-6-316 3IN DDG 887379342WILLIAM E WILLIAMS VALVE CORP
S151F-6-316MIL 3IN79342WILLIAM E WILLIAMS VALVE CORP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE9.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL UNS J92900 BODY
MATERIALSTEEL UNS J92900 FLOW CONTROL DEVICE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER7.500 INCHES ALL ENDS
NOMINAL THICKNESS0.750 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER5.000 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE3.000 INCHES


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