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National Stock Number:
4820-01-535-8753
Federal Supply Class:
4820
National Item Identification Number:
015358753
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:
| 2.5-1700TBC | 79128 | ROBERT H WAGER CO INC |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 0.250 INCHES 1ST END | | BOLT HOLE QUANTITY | 3 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) 1ST END | | FURNISHED ITEMS AND QUANTITY | 1 FILTER SCREEN AND 1 FLOAT AND 1 CAP | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | BALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | INVERTED VENT CHECK VALVE 2.5" THREADED | | MATERIAL | COPPER ALLOY BODY | | NOMINAL OUTSIDE DIAMETER | 6.110 INCHES 1ST END | | NOMINAL THREAD SIZE | 2.500 INCHES 2ND END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 2.500 INCHES |
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