4820-00-689-3075 VALVE,CHECK Index 2990-00-689-3083 PIPE,EXHAUST

National Stock Number:
4820-00-689-3076

Federal Supply Class:
4820

National Item Identification Number:
006893076

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:
3814959CRANE CO DIV VALVE DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 1ST END
BOLT HOLE QUANTITY4 1ST END
CONNECTION TYPEFLANGE 1ST END
DISK LOADING METHODWEIGHT
FACE TO FACE DISTANCE8.000 INCHES
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLOW CONTROL DEVICEDISK
NOMINAL OUTSIDE DIAMETER6.000 INCHES 1ST END
NOMINAL THICKNESS0.500 INCHES 1ST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MOUNTING POSITIONHORIZONTAL
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU


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