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National Stock Number:
4820-01-283-1819
Federal Supply Class:
4820
National Item Identification Number:
012831819
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:
| 1750F 2-1/2IN BRZ | 79128 | ROBERT H WAGER CO INC | | 1750F 2.5IN BRZ | 79128 | ROBERT H WAGER CO INC | | 2.5-PM1-B-F-C | 32142 | HYDRASEARCH COMPANY, LLC | | 1750FB-2.50IN | 79128 | ROBERT H WAGER CO INC | | 2.5-1750FB BRZ COPPER FLT SS SCR | 79128 | ROBERT H WAGER CO INC |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 1ST END | | BOLT CIRCLE NOMINAL DIAMETER | 5.500 INCHES 1ST END | | BOLT HOLE QUANTITY | 4 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY BODY | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER | 7.000 INCHES 1ST END | | NOMINAL THICKNESS | 0.562 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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