Combined Materials:
Stationary Ring (Ceramic/SiC/TC)
 Rotary Ring (Carbon/SiC/TC)
 Secondary Seal (NBR/EPDM/Viton/Teflon)
 Spring and Metal Part (Steel)
Working Conditions:
Mediums: Petroleum, chemical solvents, weak and
 medium corrosion, etc.
 Temperature: -40oC~250oC
 Pressure: =2.5Mpa
 Speed: = 20 m/Sec