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1. Operational Conditions: 
Temperature: -30℃ to +200℃
Pressure: ≤1.2MPa
Speed: ≤20m/s
2. Materials: 
Stationary Ring: Silicon Carbide, TC, Carbon
Rotary Ring: Silicon Carbide, Ceramic, TC
Secondary Seal: NBR, EPDM, Viton
Spring and Metal Parts: Steel 
3. Applications: Clean water, sewage water, oil and other moderately corrosive fluids