Top-entry check valve having retainer ring

Details Top-entry check valve having retainer ring Top-entry check valve having retainer ring

F - Mech Eng,Light,Heat,Weapons

16

K

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

Patent

CA 2074448

A top-entry check valve having a seat, cage, disc and removable bonnet utilizes a retainer ring to prevent movement of the seat, cage and disc in the downstream direction. An annular shoulder in the valve body prevents movement of the seat, cage and disc in the upstream direction. The disc has a hinge pin which is cradled in hinge pin supports of the cage to hold the disc in place. The retainer ring is secured in the valve body by fitting into a transverse groove formed in the inside surface of the valve body. Removal of the bonnet allows access to the valve chamber for replacement of the seat, cage, disc or retainer ring.

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