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National Stock Number:
4820-00-071-1871
Federal Supply Class:
4820
National Item Identification Number:
000711871
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:
| 375-1-1-4 | 82667 | STRATAFLO PRODUCTS, INC |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | RUBBER BUTADIENE-STYRENE CLASS SBR FLOW CONTROL DEVICE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | NITROGEN, TETRAOXIDE SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.250 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 11-1/2 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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