SECONDARY SEALS

PE Secondary Seal


PE secondary seal is inserted in the bottom bowl of a casing spool or tubing spool and retained with a snap wire.
The seal is energized when the spool is installed over the casing stub and the flange connection is made up.It is
available in standard API casing sizes,as well as nonstandard casing sizes,and is built to provide safe,dependable
service in pressure applications through 5000 psi.


SECONDARY SEALS(图1)


“P”secondary seal


SECONDARY SEALS(图2)


“EBS”Reducer Bushing

The “EBS” reducer busing is a secondary seal that uses self-energized elastomer ring to seal the casing head
spools and tubing head spools,the bushing is rated up to 10000 psi.


SECONDARY SEALS(图3)