Features

• For plain shafts
• Single and dual seal
• Elastomer bellows rotating
• Balanced
• Independent of direction of rotation
• No torsion on bellows and spring
• Conical or cylindrical spring
• Metric and inch sizes available
• Special seat dimensions available
• US Patent No. 6.220.601

Operating range

Shaft diameter:
d1 = 10 … 100 mm (0.375″ … 4″)
Pressure: p1 = 12 bar (174 PSI),
vacuum up to 0.5 bar (7.25 PSI),
up to 1 bar (14.5 PSI) with seat locking
Temperature:
t = -20 °C … +140 °C (-4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±0.5 mm