Profiseal – Propeller Shaft Seals

Q-Marine are proud distributors of Profiseal, a specialist product range for sealing and bearing technology for commercial and pleasure craft. ProfiSeal is specialized in the design and manufacturing of highly reliable propeller-shaft and bulkhead seals for the ship and yacht building industry.

Propeller Shaft Seals

Propeller Shaft Seal 20-90mm

Propeller Shaft Seal 100-180mm

Technical Features:

• water or oil lubricated facetype seals
• seawater resistant also in in aluminium-version, for open or closed sterntube-systems
• easy installation
• high lifetime even in extremely dirty waters
• no shaft-wear like with radial type seals due to facetype design
• allowed axial shaft movement: +/- 5mm
• allowed radial shaft movement: +/- 2mm

Operating Limits:

• shaft diameter max 100 bis 180 mm
• medium to be sealed seawater, oil etc.
• medium temprature seawater -5° to +40° C
• oil -5° to +70° C
• operating pressure (p) 0,1 to 2 bar*
• gliding speed max. 10 m/s
• flushing / cooling approx. 1 l/h per mm shaft diameter

*Applications above 0,5 bar have to be clarified technically with the manufacturer.