|
|
|
National Stock Number:
4820-01-257-2260
Federal Supply Class:
4820
National Item Identification Number:
012572260
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:
| 44613-140-00-1 | K4556 | BRITISH AEROSPACE DEFENCE SYSTEMS LTD T/A BAE SYSTEMS | | 44613-140-00-1 | KC1M9 | BAE SYSTEMS MARITIME SERVICESLIMITED | | SS-4PDM4-F4 | 02570 | SWAGELOK CO | | SS-4PDM4-F4 | 12623 | WHITEY CO | | SS-4PDM4-F4 | 3T9T9 | SWAGELOK CO |
|
Techincal Specification:
| MATERIAL | STEEL AND | | STEEL COMP 630 OVERALL | | STYLE DESIGNATOR | STRAIGHT THRU | | MAXIMUM OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | UNTHREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | SWIVEL NUT, INVERTED FLARE (PIPE) 2ND END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS | | THREAD SERIES DESIGNATOR | NPT 1ST END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | MOUNTING POSITION | HORIZONTAL | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: STEM |
|
|