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A fluid pressure reduction device with low noise generation. A stack of annular disks with fluid passageways formed of inlet slots, outlet slots, and interconnecting plenums. Selectively stacking and orienting the annular disks along with an asymmetric slot pattern creates the desired fluid passagew

A fluid pressure reduction device with low noise generation. A stack of annular disks with fluid passageways formed of inlet slots, outlet slots, and interconnecting plenums. Selectively stacking and orienting the annular disks along with an asymmetric slot pattern creates the desired fluid passageways without creating an uninterrupted axial fluid flow path. High recovery inlet stages are in fluid communicating series with low recovery outlet stages and the combination provides a high performance fluid pressure reduction device with low noise generation.

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[ What is claimed is:] [1.] A fluid pressure reduction device comprising:a plurality of stacked disks having a perimeter and hollow centers aligned along a longitudinal axis;each disk having (a) fluid inlet stage slots partially extending from the disk center towards the disk perimeter, and (b) flui

[ What is claimed is:] [1.] A fluid pressure reduction device comprising:a plurality of stacked disks having a perimeter and hollow centers aligned along a longitudinal axis;each disk having (a) fluid inlet stage slots partially extending from the disk center towards the disk perimeter, and (b) fluid outlet stage slots partially extending from the disk perimeter towards the disk center, and (c) at least one plenum slot extending through the disk;said disks selectively positioned in said stack to enable fluid flow from said fluid inlet stage slots in one disk to said plenum slots in adjacent disks and to said fluid outlet stage slots in at least said one disk, wherein the fluid flow path is split into two initial axial directions, then into said plenum slots with multiple radial flow directions, and then distributed through multiple outlet stage slots in at least said one disk.