Patent ID: 8424841

Claim:
An apparatus for insertion into a seal pocket of a ball valve having a ball within a valve body, comprising: a multiple component seat for insertion into the seat pocket; wherein the multiple component seat is made of metal; wherein the multiple component seat comprises a support ring and a seal element; wherein the support ring and the seal element are juxtaposed; wherein both the support ring and the seal element abut the ball when the multiple component seat is installed and the ball valve is in a closed position; wherein the seal element has a greater elasticity as compared to the support ring; wherein the support ring directly supports a pressure load of the ball in part and has a greater load bearing strength as compared to the seal element; and wherein the multiple component seat further comprises a spacer ring and a secondary seal element; wherein the spacer ring and the secondary seal element are juxtaposed; wherein the secondary seal element and the support ring are juxtaposed; wherein the spacer and the secondary seal element are made of metal; and a wave spring abutting and configured to push the spacer ring against the seal element.