PTFE Slide Bearings

Crossflon^® skidway systems are used to aid the skidding of topsides, jackets and other heavy fabrications.

A structure weighing in excess of 47,000 tonnes has been successfully loaded out on a Crossflon^® skidway system.

We offer a range of Crossflon^® skidway plates to suit customers individual requirements.

A typical Crossflon^® skidway plate consists of 2.5mm thick dimpled Crossflon^® XF225 sheet hot cure factory bonded under controlled conditions to a 3mm thick carbon steel plate.

Crossflon^® skidway plates are normally manufactured with a 25mm welding lip. This prevents the Crossflon^® XF225 from being damaged when the Crossflon^® skidway plates are tack welded into position.

The PTFE (Teflon™) / steel bond line and all upper exposed carbon steel surfaces are generally supplied coated with paint to protect against corrosion.

Advantages of Crossflon^® Skidway Systems

• Crossflon^® PTFE (Teflon™) has the lowest coefficient of friction of any known solid engineered material including lubricated metal and there is no stick / slip action.
• Crossflon^® XF225 is unaffected by water as the moisture absorption is less than 0.01%.
• The life of Crossflon^® XF225 is indefinite as it is unaffected by chemicals and weather.
• Not subject to fatigue failure.
• Ease of installation.
• Shear value of the bond exceeds that of Crossflon^® PTFE (Teflon™).
• Far less bulky than alternative assemblies.
• Operating temperature ranges from -40ºC to +120ºC. Alternative bonding sytems are available for temperatures outside this range.
• Maintenance is not required. Capable of operating completely dry as Crossflon^® XF225 will never cold weld to itself.
• Provides electrical and thermal insulation thereby minimising galvanic corrosion and heat loss.
• Vibration dampening.
• Able to absorb small particles without increasing the coefficient of friction.
• Crossflon^® XF225 is chemically inert.
• Able to accommodate minor misalignment during construction.