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National Stock Number:
4820-01-031-9966
Federal Supply Class:
4820
National Item Identification Number:
010319966
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:
| 33310.3C | 57574 | VELAN VALVE CORP. | | W8-285B13MS | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | DISK LOADING METHOD | WEIGHT | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL COMP 316 BODY | | MATERIAL | STEEL COMP 316 FLOW CONTROL DEVICE | | MATERIAL | STEEL COMP 316 SEAT | | MATERIAL | STEEL COMP 316 STEM | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES ALL ENDS | | SPECIAL FEATURES | DISK STELLITED | | STYLE DESIGNATOR | ANGLE | | SUPPLEMENTARY FEATURES | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES;57574 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 19 84,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 | | VALVE OPERATION METHOD | MANUAL |
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