Patent ID: 6834675
Filing Date: 2004-12-28
Classification: F16K,Y10T

Abstract:
A fluid control, pressure reducing valve, comprising:a cylindrical cage, having at least one inlet opening to receive fluid from the upstream pipe of the pipeline, and one outlet opening to discharge fluid to the downstream pipe of the pipeline, and said cage configured to receive a rotatable cylindrical shut off valve in said cage's inner cylindrical cavity, whith the cylindrical shut off valve having the same number of correspond matching openings as whatever the cage has, and with said cylindrical shut off valve having two opposite seats with equal and evenly distributed plurality of openings that are passage means for the passage of fluid, and said seats are connected with a partitioning means to create an inlet chamber to receive fluid from the inlet of the cage and an outlet chamber to discharge fluid to the outlet opening of the cage; flow control means, responsive to pressurized fluid, located on said seats to block and to control fluid flow through said passage means for the passage of fluid; means to supply pressurized fluid to said flow control means for controllably restricting each of said passage means to thereby control flow of fluid through the valve; drive means to rotate, with respect to the cage, said cylindrical shut off valve received in the vertical cylindrical cavity of the cage; at least one detachable covering means to enclose the shut off valve provided with the flow control means; locking means to lock the cylindrical shut off valve, while allowing said shut off valve to remain rotatable, with the cage, and to also limit the rotation of the cylindrical shut off valve with respect to the cage; sealing means to seal the fluid exit from the valve.