Valve device having stationary and movable or turnable valve...

Details Valve device having stationary and movable or turnable valve... Valve device having stationary and movable or turnable valve...

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 25/04 (2006.01) B32B 3/14 (2006.01) E21B 34/02 (2006.01) F16K 25/00 (2006.01)

Patent

CA 2084374

Abstract The invention provides an erosion resistant pressure reduction valve or choke comprising a valve housing (1,22) defining a valve chamber (2) connected with an inlet (3) and outlet (4), a stationary first valve body (6,17) arranged in the chamber, and a second valve body (7,18). The second valve body is arranged so as to be turnable or displaceable relative to the first valve body by means of a spindle or the like (14,23). The first and second valve bodies are each provided with corresponding flow-through apertures (19,28). Flow through the valve is regulated by turning or displacing the turnable/displaceable second valve body relative to the first. The apertures in the valve bodies (6,7,17,18) are provided with casings (15,20) made in one piece of polycrystalline diamond.

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