Castrol BioBar 32 is part of Castrol’s range of environmentally acceptable hydraulic fluids which can replace conventional mineral oils in hydraulic equipment where leakage or spillage may result in escape into the marine environment.

This range of Bio Bar hydraulic fluids are formulated from synthetic ester base oils which are selected to give a wide operating temperature range and long service life.

Extensive testing of Castrol Bio Bar and hydraulic system components (in particular, elastomer seals) has confirmed good compatibility with standard components, which can allow conversion of existing equipment without the need for major changes.

Castrol BioBar 32 hydraulic fluid has been tested and registered according to OSPAR (Oslo and Paris Convention for the Protection of the Marine Environment of the North-East Atlantic) requirements and therefore meets the definition of an Environmentally Acceptable Lubricant (EAL) under the US Vessel General Permit for Discharges Incidental to the
Normal Operation of Vessels (VGP) 2013.

Hydraulic systems are extensively used for power transmission on board ships. Cranes, winches, windlasses and lifeboat davits are often located where leakage or spillage can escape into the marine environment. The extensive use of flexible hoses, which are susceptible to mechanical damage through abrasion or fatigue, can increase the risk of
leakage which can lead to a rapid loss of fluid if there are high operating pressures and high flow rates.

BioBar 32 is recommended for hydraulic systems and hydrostatic transmissions which incorporate gear pumps, vane pumps, radial piston or axial piston pumps and motors and where there is a perceived risk of egress into the environment in the event of spillage or leakage.

Castrol BioBar 32 Lubricant Advantages:

Reduced environmental impact when compared to conventional lubricants – demonstrable benefits in the following key
environmental performance criteria:

• Superior biodegradation
• Significantly reduced bioaccumulation* and toxicity
• Enhanced renewability

High levels of protection given to pump and motor components, which can contribute to a high level of reliability:

• Minimal wear of ring and vane in Vickers PM 104C pump test
• Minimal wear of ring and vane in Eaton-Vickers 35VQ25 pump test

Castrol BioBar hydraulic fluids have been tested and registered according to OSPAR (Oslo and Paris Convention for the Protection of the Marine Environment of the North-East Atlantic) requirements and therefore meet the definition of an Environmentally Acceptable Lubricant (EAL) under the US Vessel General Permit for Discharges Incidental to the
Normal Operation of Vessels (VGP) 2013.

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