Rotary control valves with pressure reducing means

Details Rotary control valves with pressure reducing means Rotary control valves with pressure reducing means

F - Mech Eng,Light,Heat,Weapons

16

K

137/139

F16K 47/04 (2006.01) F16K 3/32 (2006.01)

Patent

CA 1267058

ABSTRACT The rotary control valve comprises a casing having a pair of axially-opposed ports. A valve chamber is rotatably mounted in the casing. A stem adjustably rotates the valve chamber for controlling the flow through the ports. The valve chamber has a pair of axially-opposed, off-center orifices, each being contiguous to and movable into and out of partial and full registration with its associated port. An off-center tube is disposed inside chamber and extends between the orifices. A pressure-reducing medium in the valve chamber. The medium includes a plurality of stacked, axially-spaced discs, each having a pattern of axial holes for dividing the flow thereacross.

514872

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