Lock in High-Pressure Gases
A Static-Pac® seal prevents escape of high-pressure gas from the packing case assembly during and after compressor shutdown.
While conventional rod rings unload during shutdown, permitting high-pressure gases to escape, a Static-Pac assembly activates upon shutdown, mechanically wedging a lip seal tightly against the piston rod. The flexible polymer seal conforms to the rod circumference, locking in high-pressure gas.
When activating pressure is released during compressor start-up, the Static-Pac seal lifts off the rod surface to allow free movement of the rod.