Hydraulic

Castrol BioBar 32

VISCOSITY - ISO 32

Environmentally responsible hydraulic oil

DESCRIPTION

Castrol BioBar is a 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.
Castrol BioBar 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 BioBar 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 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.

APPLICATIONS

Hydraulic systems are extensively used for power transmission on board ship. Cranes, winches, windlasses and life
boat 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.

Castrol BioBar 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.

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.

TYPICAL CHARACTERISTICS
APPROVAL & PERFORMANCE CLAIMS
ADDITIONAL INFORMATION
PACK SIZES AVAILABLE
20L208L

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