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National Stock Number:
4820-01-358-8477
Federal Supply Class:
4820
National Item Identification Number:
013588477
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:
| 9999-002 | 57574 | VELAN VALVE CORP. | | 9999-002 3IN | 57574 | VELAN VALVE CORP. | | P3-32964 G1 | 57574 | VELAN VALVE CORP. | | P3-32964-G1 ITEM 13 | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 6.000 INCHES ALL ENDS | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE ALL ENDS | | FACE TO FACE DISTANCE | 9.500 INCHES | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL BODY | | MATERIAL | STEEL CORROSION RESISTING STEM | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MATERIAL | STEEL SEAT | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.750 INCHES ALL ENDS | | RAISED FACE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 3.000 INCHES |
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