PU-H

The PU-H Secondary Seal is a self-energized, elastomer seal that required no injection.

The PU-H Secondary Seal is inserted in the bottom of Casing Head Spool or Tubing Head Spool (S Tubing Head Spool / D Tubing Head Spool).

- Casing size: 4 1/2” ÷ 16”;

- Pressure rating: 2,000 ÷ 10,000 PSI;

- Quick to install;

- Bidirectional seal;

- Metal anti-extrusion rings on each side;

- Self-energized seals when the spool is installed, do not required injection plastic packing;

- Pack-off is pressure energized and has double lip-type seals.