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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:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | PLASTIC POLYAMIDE (NYLON) FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING STEM | | MAXIMUM OPERATING TEMP | 225.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL THREAD SIZE | 1.250 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | VALVE OPERATION METHOD | MANUAL |
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