Secondary Seals

The secondary seal is a wellhead component that provides a means to isolate and seal a casing string. These seals are installed in the bottom prep of a casing spool or tubing head with a BG bottom prep. They enable you to test the primary seal (casing hanger) via test ports located on the wellhead and have a built-in bit guide to protect the casing. UWS secondary seals are available in all standard API casing sizes.

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