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National Stock Number:
4820-01-358-8940
Federal Supply Class:
4820
National Item Identification Number:
013588940
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:
| 52-20F 2 INCH FLG BRZ | 09032 | TATE ANDALE, LLC |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 4.750 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES FIRST END | | BOLT HOLE QUANTITY | 4 FIRST END | | CONNECTION TYPE | FLANGE FIRST END | | FLANGE FACE DESIGN | PLAIN FIRST END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER ALLOY BODY | | MOUNTING POSITION | VERTICAL | | NOMINAL OUTSIDE DIAMETER | 6.000 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.500 INCHES FIRST END | | SPECIAL FEATURES | WITHOUT COVER | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU |
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