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National Stock Number:
4820-01-294-7291
Federal Supply Class:
4820
National Item Identification Number:
012947291
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:
| 33764-1 1 1/2 IN | 57574 | VELAN VALVE CORP. | | W07-2084B-02XX CD SHT 53371 | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL | NICKEL FLOW CONTROL DEVICE | | MATERIAL | NICKEL SEAT | | MATERIAL | NICKEL STEM | | MATERIAL | STEEL UNS K03504 BODY | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MOUNTING POSITION | VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | MANUAL |
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