The Compound D O-ring uses breakthrough material technology that has been tested and fully qualified to double O-ring lifetime operation from six to 12 years under regular plant operating conditions. The Westinghouse Compound D O-ring will begin to be available globally later this year.

“With the installation of the newly innovated Westinghouse O-ring, our utility customers now can expect not only a doubling of O-ring lifetime operation, but also increased convenience for their outage maintenance plans”

Doubling the life of the RCP seal O-ring offers nuclear energy utility customers greater flexibility in pump seal maintenance planning. Utilities using this product no longer will be bound to performing RCP seal maintenance at the six-year point to replace O-rings, and can operate additional fuel cycles, if desired.