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National Stock Number:
4810-01-440-7411
Federal Supply Class:
4810
National Item Identification Number:
014407411
Description:
VALVE,STOP-LIFT-CHECK
Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO THREE 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. IN THE THIRD 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, LIFT-CHECK AND VALVE, STOP-CHECK.
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Manufacturer Information:
| 3289918-5-1 | 59364 | HONEYWELL INTERNATIONAL INC. | | DAA3243P003-325 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | FSC APPLICATION DATA | B2 ACFT | | NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED | | SPECIAL FEATURES | DRAWING NAME VALVE OUTLINEK SHUTOFF; BURST PRESSURE 1500 PSIG; PROOF PRESSURE PSIG; INLET PRESSURE: 270 PSIG MAX; INLET TEMPERATURE -200 TO +130 DEG FEH; AMBIENT TEMP -85 TO + 180 DEG FEH |
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