Patent ID: 7152622

Claim:
A valve, comprising: a valve body having an inlet port, an outlet port, a flow passage extending between the inlet port and the outlet port, and an access port; a valve seat defined about the inlet port of the valve body; a compressible hanger engaging a portion of the valve body and positioned in alignment with the access port of the valve body; a clapper connected to the hanger so that the clapper is movable between a closed position wherein the clapper engages the valve seat to occlude the passage of fluid through the fluid flow passage and an open position wherein the clapper is moved away from the valve seat to permit passage of fluid through the fluid flow passage; and a closure member connected to the valve body to close the access port of the valve body, the closure member having an abutment surface engaging the hanger so that the hanger is compressed between the closure member and the valve body.