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National Stock Number:
4820-01-422-7240
Federal Supply Class:
4820
National Item Identification Number:
014227240
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:
| 33311-30 | 57574 | VELAN VALVE CORP. | | 33311-30 F04-2084B-02TS | 57574 | VELAN VALVE CORP. | | 53387 | 57574 | VELAN VALVE CORP. | | 53387 P.O. ITEM 003 | 57574 | VELAN VALVE CORP. | | F04-2084B-02TS | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| MATERIAL | STEEL UNS K03504 BODY | | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | STEEL CORROSION RESISTING STEM | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 0.750 INCHES | | FACE TO FACE DISTANCE | 7.500 INCHES | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 4.625 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.625 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 3.250 INCHES ALL ENDS | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES ALL ENDS | | RAISED FACE NOMINAL DIAMETER | 1.875 INCHES ALL ENDS | | MOUNTING POSITION | VERTICAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED |
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