Bi-petal check-valve construction

Details Bi-petal check-valve construction Bi-petal check-valve construction

F - Mech Eng,Light,Heat,Weapons

16

K

137/61

F16K 15/03 (2006.01)

Patent

CA 1314193

F.8087 BI-PETAL CHECK-VALVE CONSTRUCTION ABSTRACT OF THE DISCLOSURE A stiffly compliant upstop extends parallel to the hinge axis of a bi-petal check valve and provides essentially a continuous line of contact with the downstream side of each valve member. This line of contact is symmetrically located to span virtually the entire distance between the spaced hinge-suspension points unique to each valve member. And continuity of the respective lines of upstop contact is maintained throughout a terminal range of angular displacement, as the upstop compliantly deforms in approach to the full-open condition of the respective valve members.

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