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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:
| CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDLE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | STEEL BODY | | MATERIAL | STEEL COMP 316 STEM | | MOUNTING POSITION | VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES ALL ENDS | | OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU | | SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: STEM |
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