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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.
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Manufacturer Information:
| 52-90F 1 1/4IN | 09032 | TATE ANDALE, LLC |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 4.000 INCHES ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | FACE TO FACE DISTANCE | 6.750 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY BODY | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MOUNTING POSITION | VERTICAL | | NOMINAL OUTSIDE DIAMETER | 4.625 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 1.250 INCHES |
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