|
|
|
National Stock Number:
4820-00-265-6957
Federal Supply Class:
4820
National Item Identification Number:
002656957
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:
| 412809 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
|
Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 5.875 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES FIRST END | | BOLT HOLE QUANTITY | 6 FIRST END | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE FIRST END | | FACE TO FACE DISTANCE | 9.000 INCHES | | FEATURES PROVIDED | BONNET PACKING | | FLANGE FACE DESIGN | PLAIN FIRST END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING TEMP | 425.0 FAHRENHEIT SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES FIRST END | | NOMINAL THICKNESS | 0.500 INCHES FIRST END | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | SUPPLEMENTARY FEATURES | VALVE OPERATION METHOD: HYDRAULIC | | VALVE SIZE | 2.500 INCHES |
|
|