Features
• For plain shafts
• Single seal
• Unbalanced
• Super-Sinus-spring or multiple springs rotating
• Independent of direction of rotation
• Pumping screw for media with higher viscosity (M7..F)
• Variant with PTFE secondary seals for high chemical
resistance (M78N)
Advantages
• Universal application opportunities
• Efficient stock keeping
• due to easily interchangeable faces
• Extended selection of materials
• Insensitive to low solids contents
• Flexibility in torque transmissions
• Self cleaning effect
• Short installation length possible (G16)
Operating range
Shaft diameter: d1 = 14 … 100 mm (0.55" … 3.94")
Pressure: p1 = 25 bar (363 PSI)
Temperature: t = -50 °C … +220 °C
(-58 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement:
d1 =…25 mm: ±1 mm
d1 = 28…63 mm: ±1.5 mm
d1 = from 65 mm: ±2 mm
Audited Supplier 
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