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National Stock Number:
4820-01-449-4960
Federal Supply Class:
4820
National Item Identification Number:
014494960
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:
| 1.5-1700FB | 79128 | ROBERT H WAGER CO INC |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 3.875 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES 1ST END | | BOLT HOLE QUANTITY | 4 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | FACE TO FACE DISTANCE | 4.750 INCHES | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | STEEL CORROSION RESISTING SEAT | | MOUNTING POSITION | VERTICAL | | NOMINAL OUTSIDE DIAMETER | 5.000 INCHES 1ST END | | NOMINAL THICKNESS | 0.688 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 1.500 INCHES |
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