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National Stock Number:
4820-00-431-8321
Federal Supply Class:
4820
National Item Identification Number:
004318321
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:
| 80000-01 PART 81561-01 3/4IN | 76364 | MILWAUKEE VALVE CO, INC | | 81561-01 3/4IN | 76364 | MILWAUKEE VALVE CO, INC | | B522-1-B1 | 11859 | HUNT VALVE COMPANY, INC. | | B522-1-B1CID882039176 | 11859 | HUNT VALVE COMPANY, INC. | | C522-0-B12 | 11859 | HUNT VALVE COMPANY, INC. | | C522-1-B PART C522-1-B2 | 11859 | HUNT VALVE COMPANY, INC. | | C522-1-B2 | 11859 | HUNT VALVE COMPANY, INC. | | C522-1-BREVA/C522-1-B2/882039336 | 11859 | HUNT VALVE COMPANY, INC. | | S807-14 | 1GZ83 | SFC VALVE CORPORATION |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL BODY | | MATERIAL | STEEL CORROSION RESISTING STEM | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MATERIAL | STEEL SEAT | | MAXIMUM OPERATING TEMP | 775.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES ALL ENDS | | SPECIAL FEATURES | VALVE SIZE 0.750 IN. | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU |
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