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National Stock Number:
4820-01-433-2629
Federal Supply Class:
4820
National Item Identification Number:
014332629
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 REV H 4.0IN.TY TRIM | 57574 | VELAN VALVE CORP. | | F12-0084C-02TY | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 7.500 INCHES ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | FLANGE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FACE TO FACE DISTANCE | 11.500 INCHES | | FEATURES PROVIDED | BONNET PACKING | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | GRAPHITE PACKING | | MATERIAL | STEEL UNS K02501 BODY | | MATERIAL | STEEL UNS K02501 FLOW CONTROL DEVICE | | MATERIAL | STEEL UNS K02501 STEM | | MOUNTING FACILITY | BRACKET(S) | | MOUNTING POSITION | VERTICAL | | NOMINAL OUTSIDE DIAMETER | 9.000 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.938 INCHES ALL ENDS | | OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | RAISED FACE NOMINAL DIAMETER | 6.188 INCHES ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.063 INCHES ALL ENDS | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 4.000 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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