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Lubricating oil filtration

Startseite Market Segments & Applications Lubricating oil filtration Transmission oil filtration on ships – Use of FG duplex filters

FG Duplex filters for transmission oil filtration on ships

Whether container ship, oil tanker or freighter, each of these vessels must be very maneuverable and flexible in order to be able to perform turning maneuvers very quickly and adaptably. Reversing gear units are gearboxes in which only one direction of rotation can be reversed. Such hydraulic transmissions are required when a working system is to provide two equivalent directions of rotation, but the reversal cannot be generated by the working machines. This transmission ensures maximum efficiency and reliability, requires little maintenance and ensures that the machines operate reliably even under extreme conditions.

Challenge

  • Only one shared filter unit for the lubrication circuit and the hydraulic switching multi disk clutch
  • The filter unit shall be easily accessible from the outside and shall be easy to operate and to maintain
  • The maintenance has to be possible without interruption of operation
  • The filter unit has to be approved by the established certification offices in the marine industry

Technical data

  • Viscosity: 68 mm²/s at 40°C
  • Volume flow: 30 l/min
  • Filtration rate: 25 µm
  • Operating pressure: 25 bar

Solution statement

  • Lubricating oil is filtered with Filtration Group Industrial Pi 210 series duplex filters and Premium Select elements with 25 µm fineness
  • Thanks to the duplex design of the Pi 210, the elements can be changed under full load by a simple switch of the operating filter
  • The Premium Select Technology ensures high cleanliness levels of the lubrication oil and extends the lifetime of bearings
  • The Inline filter could be installed easily directly at the housing without any additional pipings

Customer value

  • The aluminum filter housing is light and cost efficient
  • Filtration Group Premium Select elements provide an up to 30% higher dirt holding capacity at reduced differential pressure in combination with a constantly high well-defined retention rate
  • This leads to significantly reduced maintenance requirements
  • Easy operation of the duplex filters thanks to lever lock, pressure adjustment and user friendly single hand operation
  • Operating pressure up to 32 bar possible
  • The Pi 210 Series is approved by the established certification offices in the marine industry (Lloyds, BV, GL, DNV)

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Lubricating oil filtration