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Automatic Self-Cleaning Filter Type 6.64
The automatic filter type 6.64 is a self-cleaning filter used primarily for the filtration of large quantities of liquid fuel, - lubricants, coolants and alkaline cleaners.... More Info Less Info



The high performance filter automatic Type 6.64 is a self-cleaning filter used primarily for the filtration of large quantities of liquid fuel, - lubricants, coolants and alkaline cleaners. The back flush function and the filter flush function proceed from each other and without interrupting the process. The regeneration will be supported by a compressed air system. The system pressure remains constant.


Automatic Self-Cleaning Filter Type 6.48

The BOLLFILTER Automatic Type 6.48 for lube oil is self-cleaning and does not require any external energy source and are designed maintenance-free.... More Info Less Info







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.


aquaBoll®
The aquaBoll® automatic self-cleaning water filter series significantly increases the overall efficiency of your specific application through optimized functionality and novel adaptability.... More Info Less Info



The aquaBoll® automatic filter is especially capable of handling demanding situations and the toughest conditions. Complex filtration processes can be mastered in every application by the special properties and functions. The standardized multiple platform concept ensures low acquisition costs and high flexibility. The compact design allows easy access to all relevant components. Thus, commissioning and maintenance expenses are reduced considerably. Service speeds are significantly improved due to easy access and increased availability of standardized components. The combination of innovative design, high-quality components and a long service life allows for a cross-sectoral approach. This leads to a sustainable increase in water quality. The backwashable strainer aquaBoll® is thus able to meet the requirements of a wide range of industries with unprecedented efficiency.

Automatic Self-Cleaning Filter Type 6.72
The BOLLFILTER automatic Type 6.72 has been specifically designed for smaller flow rates. Its task is the filtration of lubricating and fuel oils... More Info Less Info



The BOLLFILTER automatic Type 6.72 is self-cleaning and specifically designed to provide fine filtration down to 6 microns. It is also possible for a fuel filter to incorporate a bypass filter with manually operated 2 stage 3 way switch over valve to give 100% operation security.

Automatic Self-Cleaning Filter Type 6.21
The BOLLFILTER Automatic Type 6.21 has been especially designed for the filtration of lower and continuous filtration volumes of liquid fuels.... More Info Less Info



The filter operates predominantly for the protection of diesel injection pumps. When required, the media is cleaned one segment at a time by a rotating backflush unit, without interrupting the filtration process. The working pressure remains almost constant and the flushing volumes are extremely low. The filter can optionally be equipped with a heating medium connection on the bottom of the housing and with a bypass filter.

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