3950-01-285-6145 HOIST,CHAIN Index 4820-01-285-6147 VALVE,FLOAT

National Stock Number:
4820-01-285-6146

Federal Supply Class:
4820

National Item Identification Number:
012856146

Description:
VALVE,VENT-CHECK

Detail:
A DUAL PURPOSE MARINE VALVE USED PRIMARILY WITH SHIPBOARD CARGO TANKS AND BULKHEADS. IT ACTS BOTH AS A VENT VALVE, TO RELIEVE VACUUM AND PRESSURE, AND A CHECK VALVE, TO PREVENT CARGO CONTAMINATION. IT IS EQUIPPED WITH AN INTERNAL FLAME SCREEN AND/OR A PROTECTIVE MESH AND MAY INCLUDE A HINGED COVER.


Manufacturer Information:
52-90F 1 1/4IN09032TATE ANDALE, LLC


Techincal Specification:
MATERIALCOPPER ALLOY BODY
COPPER FLOW CONTROL DEVICE
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE1.250 INCHES
FACE TO FACE DISTANCE6.750 INCHES
FLOW CONTROL DEVICEBALL
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER4.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.000 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONVERTICAL


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