Check valve

Details Check valve Check valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/56

F16K 15/00 (2006.01) A61M 39/24 (2006.01) F16K 15/14 (2006.01)

Patent

CA 1235978

ABSTRACT A backflow check valve is disclosed. The valve comprises a housing, a biasable disk within the housing and a valve seat carried by the housing against which the disk is urgeable. The housing has a fluid inlet and a fluid outlet. The disk is preferably disposed transverse to a preselected direction of fluid flow through the housing for controlling fluid flow therethrough. The disk is urgeable against the seat for preventing fluid from flowing contrary to the preselected direction of flow. The housing includes means in the housing for biasly engaging therein opposite sides of the disk. The housing further includes means in the housing for biasly engaging the disk along a first pair of spaced opposite end portions and for biasly engaging the disk along a second pair of spaced opposite end portions. The housing preferably includes a blade carried within the housing; and the seat preferably describes a curved surface having a depression into which the blade is insertable for biasly engaging, between the seat and the blade, opposite sides of the first pair of disk end portions.

449241

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