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National Stock Number:
4820-00-943-4062
Federal Supply Class:
4820
National Item Identification Number:
009434062
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:
| 2620-902 | 63686 | THE WALWORTH COMPANY | | 2620-902 | 96169 | ELECTRIC BOAT CORPORATION | | 2620-902L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 845-1889587ASSYF1INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 845-1889587ASSYF1IN | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SCREW | | DISK LOADING METHOD | WEIGHT | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MOUNTING POSITION | HORIZONTAL | | RENEWABLE SEAT RING TYPE | THREADED |
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