Combined Materials:
Stationary Ring (Carbon/SiC/TC)
 Rotary Ring (SiC/TC)
 Secondary Seal (NBR/EPDM/Viton)
 Spring and Metal Part (Steel)
Working Conditions:
Mediums: Muddy water, sewage water 
 and weakly corrosive fluids with solid grains.
 Temperature: -20oC~180oC
 Pressure: =1.0Mpa
 Speed: = 13 m/Sec