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National Stock Number:
4820-00-287-5941
Federal Supply Class:
4820
National Item Identification Number:
002875941
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:
| 26444 | 11672 | CRANE CO CRANE VALVE AND PARTS DIV |
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Techincal Specification:
| MATERIAL | STEEL BODY | | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | COBALT ALLOY SEAT | | STEEL CORROSION RESISTING STEM | | STYLE DESIGNATOR | ANGLE | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 850.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | BUTT WELD PIPE 1ST END | | CONNECTION STYLE | BEVELED (PIPE) 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 5.000 INCHES 1ST END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | FEATURES PROVIDED | BONNET PACKING | | SPECIAL FEATURES | SPUR GEAR OPERATED |
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