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National Stock Number: 4820-01-457-3300
Federal Supply Class: 4820
National Item Identification Number: 014573300
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:
| 12-1750WSG | 79128 | ROBERT H WAGER CO INC |
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Techincal Specification:
| CONNECTION STYLE | BEVELED (PIPE) ALL ENDS | | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | DISK LOADING METHOD | WEIGHT | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | STEEL BODY | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 12.000 INCHES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU |
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