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National Stock Number: 4820-01-312-6703
Federal Supply Class: 4820
National Item Identification Number: 013126703
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:
F13-0084C-02TS | 57574 | VELAN VALVE CORP. | P3-30450-G1 | 57574 | VELAN VALVE CORP. | P3-30450-G1 ITEM 2.01 | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
MATERIAL | STEEL BODY | STYLE DESIGNATOR | STRAIGHT THRU | FLOW CONTROL DEVICE | DISK | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | MAXIMUM OPERATING TEMP | 775.0 DEG FAHRENHEIT SINGLE RESPONSE | VALVE OPERATION METHOD | AUTOMATIC | CONNECTION TYPE | FLANGE ALL ENDS | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | NOMINAL OUTSIDE DIAMETER | 10.000 INCHES ALL ENDS | NOMINAL THICKNESS | 0.938 INCHES ALL ENDS | BOLT HOLE QUANTITY | 8 ALL ENDS | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES ALL ENDS | BOLT CIRCLE NOMINAL DIAMETER | 8.500 INCHES ALL ENDS | FLANGE FACE DESIGN | PLAIN ALL ENDS | MOUNTING POSITION | VERTICAL | BONNET TYPE | INSIDE SCREW | BONNET ATTACHMENT METHOD | BOLTED |
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