|
|
|
National Stock Number:
4820-00-438-3962
Federal Supply Class:
4820
National Item Identification Number:
004383962
Description:
VALVE,LIFT-CHECK
Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST 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. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.
|
Manufacturer Information:
| 23245-3 | 81982 | HYDRO-AIRE AEROSPACE CORP | | 667700 | 98897 | LOCKHEED MARTIN CORP |
|
Techincal Specification:
| MATERIAL | ALUMINUM ALLOY BODY | | STEEL FLOW CONTROL DEVICE | | ALUMINUM ALLOY SEAT | | STEEL STEM | | SURFACE TREATMENT | ANODIZE | | STYLE DESIGNATOR | STRAIGHT THRU | | FACE TO FACE DISTANCE | 3.531 INCHES | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | OIL, HYDRAULIC SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARE (TUBE) 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | THREAD QUANTITY PER INCH | 18 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING | | MOUNTING FACILITY | THREADED FASTENER | | SPECIAL FEATURES | HANDLE TURNS 90 DEG CCW TO OPEN POSITION | | SUPPLEMENTARY FEATURES | OPTIONAL FLOW CONTROL DEVICE: STEM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81982 | | DESIGN CONTROL REFERENCE | 23245-3 |
|
|