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National Stock Number:
4820-01-453-2088
Federal Supply Class:
4820
National Item Identification Number:
014532088
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:
| 1750SILB-4.0IN | 79128 | ROBERT H WAGER CO INC | | 4-1750SILB | 79128 | ROBERT H WAGER CO INC |
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Techincal Specification:
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | SOCKET WITH BRAZING RING (PIPE) 1ST END | | FURNISHED ITEMS AND QUANTITY | 1 COVER AND 1 FLOAT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | INVERTED VENT CHECK VALVE | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY BODY | | MOUNTING POSITION | VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 4.000 INCHES 1ST END | | SPECIAL FEATURES | NO BLOW THROUGH | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC |
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