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National Stock Number:
4820-01-420-4120
Federal Supply Class:
4820
National Item Identification Number:
014204120
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:
| 526630 DN100 | S5786 | NAF AB | | 526630 DN125 | S5786 | NAF AB | | 526630-0100 | A205N | NAF AB | | FK30.70(2)GB 526630 | A205N | NAF AB | | FK30.70(2)GB 526630 | S5786 | NAF AB | | 526630-0100 | S5786 | NAF AB |
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Techincal Specification:
| MATERIAL | STEEL BODY | | STYLE DESIGNATOR | STRAIGHT THRU DROP-IN CARTRIDGE | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | UNTHREADED CARTRIDGE ALL ENDS | | CONNECTION STYLE | GROOVED (DROP-IN CARTRIDGE) ALL ENDS | | MOUNTING POSITION | HORIZONTAL | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | INTEGRAL | | DISK LOADING METHOD | SPRING | | SPECIAL FEATURES | AUXILIARY SPRING; STAINLESS DISK |
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