3120-01-311-4718 BEARING,WASHER,THRUST Index 4820-01-311-4720 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-311-4719

Federal Supply Class:
4820

National Item Identification Number:
013114719

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:
F-938-31 2 IN12168NIBCO INC


Techincal Specification:
MATERIALIRON CAST BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-395 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE2.000 INCHES
FACE TO FACE DISTANCE8.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP550.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER6.000 INCHES ALL ENDS
NOMINAL THICKNESS0.500 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL


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