Fluid control valve

Details Fluid control valve Fluid control valve

F - Mech Eng,Light,Heat,Weapons

16

K

251/60

F16K 17/00 (2006.01) F16K 31/363 (2006.01)

Patent

CA 1056794

ABSTRACT OF THE DISCLOSURE A valve of simplified construction, adapted to control fluid of high volume and pressure. The valve plunger is a hollow metal tube, that controls fluid flow by moving radial slots in its peripheral wall back and forth across a seal. The plunger is moved by an air or hydraulic cylinder which is connected to the plunger by a plate ring. The plate ring has a series of holes therethrough that allow the line media to flow through, out of and around the plunger to create a balancing effect and thus decrease opposition to movement of the plunger, which opposition may be caused by forces created by the line media. The improved valve utilizes double-acting seals to isolate a down stream port, and to seal off the increase in pressure downstream when the valve is closed.

281606

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