Non-return valve

F - Mech Eng,Light,Heat,Weapons – 16 – K

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137/61

F16K 15/03 (2006.01) F16K 47/00 (2006.01)

Patent

CA 1297760

ABSTRACT OF THE DISCLOSURE A non-return valve for shutting off lines, for example, the suction line of compressors, comprises a valve seat disposed in a valve housing. The valve seat is closeable by a flap which is pivotably supported on a swivel axis. The flap is biassed by a biassing weight in the closing direction. In order to avoid a sluggish closing motion of the flap, the biassing weight is pivotably supported independently of the flap and is provided with a follower detent which freely strikes a counterdetent of the flap in the direction of the closing motion of said flap.

523386

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