Features
• For plain shafts
• Single and dual seal
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• No torsion on bellows
Advantages
• Shaft protection over entire seal length
• Protection of seal face during installation due to
special bellows design
• Insensitive to shaft deflections due to large axial
movement ability
• Universal application opportunities
• Important material certifications available
• High flexibility due to wide offer on materials
• Suitable for low-end sterile applications
• Special design for hot water pumps  available
• Dimension adaptions and additional seats available
Operating range
Shaft diameter: d1 = 10 … 100 mm (0.39" … 3.94")
Pressure: p1 = 16 bar (230 PSI),
vacuum…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: ±2.0 mm
Recommended applications
• Process industry
• Chemical industry
• Pulp and paper industry
• Water and waste water technology
• Food and beverage industry
• Sugar industry
• Oil applications
• Water, waste water, slurries (up to 5 % by weight)
• Pulp (up to 4 % otro)
• Latex
• Dairies, beverages
• Sulfide slurries
• Chemicals
• Oils
• Chemical standard pumps
• Helical screw pumps
• Stock pumps
• Circulating pumps
• Submersible pumps
• Water and waste water pumps