Patent ID: 6796327
Filing Date: 2004-09-28
Classification: F16K,Y10T

Abstract:
A check valve for permitting a flow of a fluid in a forward direction and restricting the flow of the fluid in a reverse direction, the check valve comprising:a faceplate including a forward surface and a reverse surface and defining a faceplate opening having a faceplate opening perimeter, at least one rib positioned within the faceplate opening such as to subdivide the faceplate opening into sections, each rib having a reverse face, each section having a continuous section perimeter with a portion thereof being coincident with a portion of the faceplate opening perimeter; and an insert assembly including a base having a forward and reverse surface and defining a base opening having a base perimeter, the forward surface of the base engaging the reverse surface of the faceplate; and a plurality of doors, one for each section, each door having a forward face and hingeably coupled to the base adjacent the base perimeter, the forward face contoured to engage the reverse surface of the faceplate and reverse face of the rib.