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National Stock Number:
4820-00-455-1087
Federal Supply Class:
4820
National Item Identification Number:
004551087
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:
| B623-1-B1 | 11859 | HUNT VALVE COMPANY, INC. | | B623-1-B1 CID 882039190 | 11859 | HUNT VALVE COMPANY, INC. | | MILV22094 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL BODY | | STEEL CORROSION RESISTING STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY | | STYLE DESIGNATOR | ANGLE | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 775.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | FEATURES PROVIDED | BONNET PACKING | | SPECIAL FEATURES | VALVE SIZE 1.000 IN. | | NONDEFINITIVE SPEC/STD DATA | D COMPOSITION | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILV22094 |
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