Top-entry check valve with threaded fasteners

Fluid handling – Removable valve head and seat unit – Threaded into valve casing

Patent

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Details

1375274, 1375278, F16K 1503

Patent

active

051615703

ABSTRACT:
A top-entry check valve having a seat, cage, disc and removable bonnet utilizes threaded fasteners to prevent movement of the seat, cage and disc in the downstream direction. A 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. Removal of the bonnet allows access to the valve chamber for replacement of the seat, cage, disc or threaded fasteners.

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