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National Stock Number:
4820-00-186-3566
Federal Supply Class:
4820
National Item Identification Number:
001863566
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:
| 1024C001H312 | 76364 | MILWAUKEE VALVE CO, INC | | 1024C001J312 | 76364 | MILWAUKEE VALVE CO, INC | | S4824-1385541 | 53711 | NAVAL SEA SYSTEMS COMMAND | | S4824-1385541 3-1/2 INCH | 76364 | MILWAUKEE VALVE CO, INC | | S4824-1385541 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 922 BODY | | NICKEL ALLOY FLOW CONTROL DEVICE | | NICKEL ALLOY SEAT | | NICKEL ALLOY STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MIL-N-894,CLASS B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | MIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE STEM | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE SIZE | 3.500 INCHES | | SPECIAL FEATURES | VALVE SIZE 3-1/2 IN. | | TEST DATA DOCUMENT | 03950-CID882033363 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.). | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.500 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.500 INCHES | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 7.187 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.500 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 6.062 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | MOUNTING POSITION | VERTICAL | | RENEWABLE SEAT RING TYPE | THREADED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED |
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