Top-entry check valve with screw-in seat

Details Top-entry check valve with screw-in seat Top-entry check valve with screw-in seat

F - Mech Eng,Light,Heat,Weapons

16

K

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

Patent

CA 2074458

Abstract of the Disclosure A top-entry check valve having a seat, cage, disc and removable bonnet utilizes threaded engagement of the seat and mating counterbore in the valve body to prevent movement of the seat, case 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. Removal of the bonnet allows access to the valve chamber for replacement of the seat, cage or disc.

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