A FLUID PRESSURE REDUCTION VALVE

摘要

A fluid pressure reduction valve comprises an inlet (2) for high pressure fluid and an outlet (3) for low pressure fluid. The inlet and outlet are separated by a pressure reduction member (4) that comprises a plurality of concentric space sleeves having layers of porous sintered material axially interspersed by metallic washers. The porous material imparts a pressure reduction to fluid passing from inlet to outlet. The sleeves are progressively more porous from inlet to outlet. An axially movable plug (6) controls the flow of fluid through the pressure reduction member. In an alternative embodiment the sleeves have layers of balls.