Single Spring and Multi Spring Seals
US3N
Key Characteristics
Single-seal, unbalanced design
Rotating conical spring
Dependent on rotation direction
Performance Specifications
Shaft diameter: d1 = up to 80 mm
Pressure: p1 = up to 10 bar
Temperature: t = up to 140 °C
Sliding velocity: vg = up to 15 m/s
Axial movement: up to ±1.0 mm
US7N
Key Characteristics
Suitable for plain shafts
Single-seal, unbalanced design
Super-Sinus-spring
Independent of rotation direction
Performance Specifications
Shaft diameter: d1 = 14 ... 100 mm
Pressure: p1 = 25 bar
Temperature: t = -50 °C ... +220 °C
Sliding velocity: vg = 20 m/s
Axial movement: ±1.0 mm
BS-500
Key Characteristics
Single balanced seal
Independent of rotation direction
Rotating multiple springs
Performance Specifications
Pressure: p = Vacuum … 35 bar
Temperature: t = -20 °C … +200 °C
Sliding velocity: Up to 20 m/s
Viscosity: Up to 500 mPa·s
Solids content: Up to 0.5%