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National Stock Number:
4820-01-227-0998
Federal Supply Class:
4820
National Item Identification Number:
012270998
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:
| 580-6 | 99565 | ADMIRAL VALVE LLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | PLASTIC POLYAMIDE FLOW CONTROL DEVICE | | NICKEL ALLOY SEAT | | STEEL CORROSION RESISTING STEM | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 1.250 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | THREADED |
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