The Self-Energized Extended Neck-Tubing Hanger is supplied with backpressure valve threads and annular dovetail body seals or GSE seals that will
self energize and seal without the aid of a lockdown screw.
The Self-Energized Extended Neck-Tubing Hanger is supplied with backpressure valve threads and annular dovetail body seals or GSE seals that will
self energize and seal without the aid of a lockdown screw.
gate valve
