Working Conditions: 

Pumps:Submersible pumps,sewage pumps,appli to the muddy water ,sewage water or weakly corrosive fluids with soild

grains.Temperature:-20oC~110oC 

Pressure: ≤0.5Mpa

Speed: ≤8m/Sec 

Combined Materials:

Stationary Ring(Ceramic/SiC/TC) 

Rotary Ring(Carbon/SiC/TC)

Secondary Seal(NBR/EPDM/Viton)

Spring and Punched Parts(Steel)