Features
Double face、unbalanced、large spring arrange
Gland fixed design in the inboard of stationary seat
Special design in the primary ring and metal part
Recommended Applications
Submersible electric pumps, sewage pumps
Other Rotating Equipment
Operating range
Shaft diameter: d1=12...50
Pressure: p=-0.05...0.3Mpa（43.5psi）
Temperature: t = -20 °C ...70 °C(-4°F to 158°F)
Sliding velocity: n≤3000r/min
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure
Combination Materials
1. Rotary Face
Carbon graphite resin impregnated Ak
Hot-Pressing Carbon Ac
Silicon carbide (RBSIC) O
2. Stationary Seat
Aluminium oxide(Ceramic) B
Silicon carbide (RBSIC) O
3. Auxiliary Seal
Nitrile-Butadiene-Rubber (NBR) P
Fluorocarbon-Rubber (Viton) V
4. Spring
Stainless Steel (SUS304) F
5. Metal Parts
Stainless Steel (SUS304) F
