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BOLLFILTER Automatic Type 6.46/ 6.48

BOLLFILTER Automatic Type 6.48 Efficient continuous backflushing automatic filter

Flange Connection
DN 40 - DN 300 / 1 1/2" - 12"
Filter element
wire-mesh candles
Grade of filtration
10 µm to 48 µm
Pressure stage
PN 2 to PN 10
Filter housing
nodular cast iron
BOLLFILTER Automatic Type 6.48 Efficient continuous backflushing automatic filter

Lube oil quality

To ensure smooth operation of diesel engines and generators, the quality of the lubricating oil is the key factor in maximising service life and minimising operating costs.

Optimised cleaning concept of the BOLLFILTER Automatic Type 6.48

The BOLLFILTER Automatic Type 6.48 is a so-called continuous flushing device. It does not require any external energy source and are designed maintenance-free. The flushing device is constantly rotated by the oil flowing through the turbine wheel installed at the filter inlet. The candle elements are backflushed using the engine oil pressure.

Due to the continuous cross and counter-current backflushing, the best possible cleaning of the filter candles is ensured at all times. A secondary filter screen and overflow valves also ensure safety of the entire system.

Diesel engines and generators are thus reliably protected against wear caused by contaminated lubricating oil.

The housing of the automatic filter is made of ductile cast iron and is available in various sizes and nominal diameters. This filter type can be easily adapted to special customer requirements. Special housing shapes for mounting on an engine or on a module can be implemented in the shortest time possible at your request. The design allows both vertical and horizontal operation.

Advantages of the BOLLFILTER Automatic Type 6.48

The BOLLFILTER Automatic Type 6.48 is used in cruise vessels, work boats, diesel locomotives, power plants and off-highway vehicles. The filters have won over so many customers because they

  • guarantee a defined degree of purity of the circulating lubricating oil
  • enable uninterrupted and trouble-free engine operation, even under fluctuating engine conditions
  • contribute to keep operating costs low through a maintenance-free operation and a long service life

Video BOLLFILTER Automatic Type 6.48


BOLLFILTER Automatic Type 6.48

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Robert Jellinggaard, Managing Director BOLLFILTER Nordic
Robert Jellinggaard