Description

Castrol BioStat environmentally acceptable lubricants are specifically designed to replace conventional lubricants in the stern tube bearings and thruster gearboxes of ships. Small quantities of lubricant can be discharged into the marine environment in the course of normal operation of vessels, but the cumulative amount for all vessels is very large. Larger quantities of oil may be released under fault conditions. Castrol BioStat lubricants are formulated from synthetic ester base oils which are selected to give a wide operating temperature range and long service life. Castrol BioStat lubricants 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. Application

The Castrol BioStat range of lubricants has been developed to replace conventional mineral oil based lubricants in the stern tube bearings and thruster gearboxes of all vessels operating in the marine environment. Castrol BioStat can also replace conventional gear oils in the gearboxes of deck machinery, where there is a risk of spills or leaks during operation or maintenance activities. Castrol BioStat has been approved by all the major stern tube seal manufacturers for use in their equipment. In many cases, it is necessary to specify a particular type of sealing ring whenever an environmentally acceptable lubricant is used. Conversion to an EAL is therefore most easily carried out during a dry-docking. The inspection interval for the stern tube seal may also be reduced for some lubricant/sealing ring combinations. Castrol BioStat provides extremely high gear and bearing protection and can replace conventional gear oils in thruster gearboxes. Propeller shaft seals for thrusters are similar to those of stern tubes and the same reservations about sealing ring types apply.

Disponibile nelle gradazioni:

• Castrol BioStat 68
• Castrol BioStat 100
• Castrol BioStat 150
• Castrol BioStat 220