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National Stock Number:
4820-01-366-1945
Federal Supply Class:
4820
National Item Identification Number:
013661945
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:
| 7870-016 | 57574 | VELAN VALVE CORP. | | B14-2084P-06TS | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| MATERIAL | STEEL BODY | | STEEL FLOW CONTROL DEVICE | | STEEL SEAT | | STEEL COMP 410 STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY | | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | ASTM A479,CL 2 ASSN STD SINGLE MATERIAL RESPONSE STEM | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | CONNECTION STYLE | BEVELED (PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 6.000 INCHES ALL ENDS | | MOUNTING POSITION | VERTICAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL |
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