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National Stock Number:
4820-00-542-2028
Federal Supply Class:
4820
National Item Identification Number:
005422028
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:
| 20343FPCALL | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA | | 3304360PCALL | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 4578FPCALL | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE 1ST END | | DISK LOADING METHOD | WEIGHT | | FACE TO FACE DISTANCE | 12.000 INCHES | | FEATURES PROVIDED | BONNET PACKING | | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END | | FLANGE SHAPE | ROUND 1ST END | | FLOW CONTROL DEVICE | DISK | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES 1ST END | | NOMINAL THICKNESS | 0.875 INCHES 1ST END | | OFFSET DISTANCE | 2.250 INCHES | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE | | RAISED FACE NOMINAL DIAMETER | 2.875 INCHES 1ST END | | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 1ST END | | RENEWABLE SEAT RING TYPE | THREADED | | VALVE SIZE | 1.500 INCHES | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU W/OFFSET FLANGED ENDS |
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