|
|
|
National Stock Number:
4820-00-775-3975
Federal Supply Class:
4820
National Item Identification Number:
007753975
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.
|
Manufacturer Information:
| 11-97-1430 | 96169 | ELECTRIC BOAT CORPORATION | | 5000S4824-3184PC1-4-6T013-15-18 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
|
Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 6.062 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 1ST END | | BOLT HOLE QUANTITY | 8 1ST END | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | BOLTED | | CONNECTION TYPE | FLANGE 1ST END | | FACE TO FACE DISTANCE | 11.500 INCHES | | FEATURES PROVIDED | BONNET PACKING | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY 903 SEAT | | MATERIAL | COPPER ALLOY 903 BODY | | MATERIAL | COPPER ALLOY 903 FLOW CONTROL DEVICE | | MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 650.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 7.188 INCHES 1ST END | | NOMINAL THICKNESS | 0.500 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 3.500 INCHES |
|
|