Pressure relief valves

Details Pressure relief valves Pressure relief valves

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/04 (2006.01) F16K 17/06 (2006.01) F16K 17/30 (2006.01) F16K 27/00 (2006.01)

Patent

CA 2727772

Pressure relief valves are described herein. An example pressure relief valve includes a body having external threads to threadably engage another body having a pressurized chamber. Additionally, the pressure relief valve includes a relief valve orifice that is threadably engaged with the body via internal threads of the body. The relief valve orifice includes a seating surface. Further, the pressure relief valve includes a pressure-balanced piston assembly that is slidably movable within the body relative to the relief valve orifice and the seating surface to control the flow of fluid between the pressurized chamber and the relief valve orifice.

Cette invention concerne des soupapes de décharge. Une soupape de décharge exemplaire comprend un corps doté dun filetage externe pour se visser dans un autre corps doté dune chambre sous pression. De plus; la soupape de décharge comprend un orifice de soupape de décharge qui se visse au corps par lintermédiaire dun filetage interne du corps. Lorifice de soupape de décharge comprend une surface dassise. En outre, la soupape de décharge comprend un ensemble piston à équilibrage de pression mobile en coulissement à lintérieur du corps par rapport à lorifice de soupape de décharge et la surface dassise pour réguler le flux de fluide entre la chambre sous pression et lorifice de soupape de décharge.

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