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National Stock Number:
4820-00-482-4028
Federal Supply Class:
4820
National Item Identification Number:
004824028
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:
| 80000-01-80661-01 1-2IN | 76364 | MILWAUKEE VALVE CO, INC | | 80661-01 1-2IN | 76364 | MILWAUKEE VALVE CO, INC | | B422-0-B CHG TA-13 B422-0-B3 | 11859 | HUNT VALVE COMPANY, INC. | | B422-0-B3 | 11859 | HUNT VALVE COMPANY, INC. | | B422-0-B3,TA-13 | 11859 | HUNT VALVE COMPANY, INC. | | 807-1700 ASSEMBLY S-807-11 | 1GZ83 | SFC VALVE CORPORATION | | C422-0-B PT C422-0-B4 | 11859 | HUNT VALVE COMPANY, INC. | | C422-0-B4 | 11859 | HUNT VALVE COMPANY, INC. | | C422-0-B4CID882039290 | 11859 | HUNT VALVE COMPANY, INC. | | S-807-11 DWG 807-1700 | 1GZ83 | SFC VALVE CORPORATION | | W3-284 | 57574 | VELAN VALVE CORP. | | MILV22094 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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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 | | MATERIAL DOCUMENT AND CLASSIFICATION | AASTM A182,GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-1713,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 FLOW CONTROL DEVICE | | MATERIAL | STEEL SEAT | | MATERIAL | STEEL STEM | | MAXIMUM OPERATING TEMP | 975.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS | | NONDEFINITIVE SPEC/STD DATA | B COMPOSITION | | SPECIAL FEATURES | VALVE SIZE 1/2 IN. | | STYLE DESIGNATOR | STRAIGHT THRU | | TEST DATA DOCUMENT | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | VALVE OPERATION METHOD | MANUAL |
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