Single end face seal 
Internal balanced type
Low-temperature corrugated pipe
O-shape rotating sealing ring doesn?t move axially, and no damp of the corrugated pipe exists.
Resin of the friction pair (KC673 made in Japan), yG6, and Sic
Corrugated pipe core (316L)
DIN 24960 standard is met

Operation parameters:
Pressure: 2.76MPa
Temperature: -40-450^oC(232^oC)
Speed: 0-23m/s
Standard size: 24-100