Hydraulically balanced remote controlled emergency valve for...

Details Hydraulically balanced remote controlled emergency valve for... Hydraulically balanced remote controlled emergency valve for...

F - Mech Eng,Light,Heat,Weapons

16

K

251/3

F16K 31/122 (2006.01) B65D 88/54 (2006.01) F16K 21/12 (2006.01) F16K 27/07 (2006.01)

Patent

CA 1048988

HYDRAULICALLY BALANCED REMOTE CONTROLLED EMERGENCY VALVE FOR STORAGE TANK Abstract of the Disclosure A remotely controlled fluid pressure actuated internal emergency valve for the outlet opening of a liquid storage tank, for automatically closing the outlet port in the valve in the event of various emergency situations, and which also is adapted for bottom liquid loading or filling of the tank. The valve embodies means hydraulically balancing the movable housing of the valve, whereby the associated biasing means for the value is effective to move the valve housing to closed position during bottom loading of the tank upon predetermined exhaustion of actuating fluid from the actuating pressure chamber of the valve. The valve is relatively simple in construction and highly effec- tive in operation.

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