CHECK VALVES

摘要

A check valve comprises a valve housing defining a valve opening. A pair of mounting posts is arranged on opposite sides of the opening. A pair of flapper elements is pivotably mounted for rotation between an open position and a closed position. The flapper elements are mounted to hinge pins mounted to respective mounting posts. A base portion of the hinge pins is formed with a sleeve having a bore which is slidably mounted on a hinge pin mounting portion of a respective mounting post.

主权项

1. A check valve comprising:
a valve housing defining a valve opening; a pair of mounting posts arranged on opposite sides of said opening; and a pair of flapper elements pivotably mounted for rotation between an open position and a closed position; said flapper elements being mounted to at least one hinge pin mounted to one or more of said mounting posts, a base portion of said hinge pin being formed with a sleeve having a bore which is slidably mounted on a hinge pin mounting portion of a respective mounting post.