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National Stock Number:
4820-01-371-0205
Federal Supply Class:
4820
National Item Identification Number:
013710205
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:
| 570-6 | 99565 | ADMIRAL VALVE LLC | | 570-6 PL-4873C | 99565 | ADMIRAL VALVE LLC |
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Techincal Specification:
| MATERIAL | STEEL BODY | | NICKEL ALLOY SEAT | | STEEL COMP 316 STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM | | STYLE DESIGNATOR | STRAIGHT THRU | | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES ALL ENDS | | MOUNTING POSITION | VERTICAL | | FURNISHED ITEMS AND QUANTITY | 1 HANDLE | | SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: STEM |
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