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National Stock Number:
4820-01-312-1816
Federal Supply Class:
4820
National Item Identification Number:
013121816
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:
| 52-25F-8IN | 09032 | TATE ANDALE, LLC |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 11.750 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END | | BOLT HOLE QUANTITY | 8 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | BALL | | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE | | MOUNTING POSITION | VERTICAL | | NOMINAL OUTSIDE DIAMETER | 13.500 INCHES 1ST END | | NOMINAL THICKNESS | 0.938 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC |
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