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National Stock Number:
4820-01-536-3338
Federal Supply Class:
4820
National Item Identification Number:
015363338
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:
| 1.5-1750TB | 79128 | ROBERT H WAGER CO INC |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) 1ST END | | FLOW CONTROL DEVICE | BALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | INVERTED VENT VALVE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING SEAT | | NOMINAL THREAD SIZE | 1.500 INCHES 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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