1. Operational Conditions: 
Temperature: -50℃ to +200℃
Pressure: ≤1.0MPa
Speed: ≤20m/s
2. Materials: 
Stationary Ring: Silicon Carbide, Carbon, TC
Rotary Ring: TC, Silicon Carbide
Secondary Seal: NBR, EPDM, CR, Viton, Aflas
Spring and Metal Parts: Steel
3. Applications: Clean water, sewage water, oil and other moderately corrosive fluids