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National Stock Number:
4820-00-202-6822
Federal Supply Class:
4820
National Item Identification Number:
002026822
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:
| 4824-3132361REVDPC1-4-6T08-11-1- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 3.938 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES FIRST END | | BOLT HOLE QUANTITY | 6 FIRST END | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | FLANGE FIRST END | | FACE TO FACE DISTANCE | 10.250 INCHES | | FLANGE FACE DESIGN | PLAIN FIRST END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY 903 BODY | | MATERIAL | COPPER ALLOY 903 FLOW CONTROL DEVICE | | MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 SEAT | | MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER | 5.062 INCHES FIRST END | | NOMINAL THICKNESS | 0.812 INCHES FIRST END | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | DRAWING NO. | | RENEWABLE SEAT RING TYPE | THREADED | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 1.500 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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