Valve

Details Valve Valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 15/00 (2006.01) F16K 15/06 (2006.01)

Patent

CA 2469541

A valve includes: a valve casing (1); a valve chamber (4) defined between a fluid inlet (2) and a fluid outlet (3) of the valve casing (1): and a plurality of check valve mechanisms (9) arranged in series within the valve chamber (4), the plurality of check valve mechanisms (9) each including: a valve seat (6) having a valve hole (5) formed therein: and a valve body (8) fixed to a valve shaft (7) and arranged on a fluid outlet (3) side of the valve seat (6), the valve shaft (7) passing through the valve hole (5) of the valve seat (6) and movably supported on a fluid inlet (2) side and the fluid outlet (3) side of the valve seat (6), the valve body (8) being adapted to move away from the valve seat (6) to open the valve hole (5) when applied with a fluid pressure from the fluid inlet (2) side and adapted to move toward and into contact the valve seat (6) to close the valve hole (5) when applied with a fluid pressure from the fluid outlet (3) side. As a result, a valve with a check valve mechanism capable of reliably preventing fluid backflow can be obtained.

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