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National Stock Number:
4820-01-216-4504
Federal Supply Class:
4820
National Item Identification Number:
012164504
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
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Manufacturer Information:
| 31-15-2355 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC |
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Techincal Specification:
| BONNET TYPE | EXPOSED SPRING | | CONNECTION TYPE | FLANGE 2ND END | | CONNECTION TYPE | FLANGE 1ST END | | CONNECTION TYPE | UNTHREADED EXTERNAL TUBE 3RD END | | CONNECTION STYLE | PLAIN (TUBE) 3RD END | | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END | | FLANGE FACE DESIGN | RAISED STRAIGHT 2ND END | | FLANGE SHAPE | ROUND 1ST END | | FLANGE SHAPE | ROUND 2ND END | | MATERIAL | STEEL OVERALL | | MOUNTING POSITION | HORIZONTAL | | SPECIAL FEATURES | FLOW CONTROL DEVICE: PLUG | | STYLE DESIGNATOR | ANGLE | | SUPPLEMENTARY FEATURES | VALVE OPERATION METHOD: AIR |
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