Off-line filter / cooler unit FGSL

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For more than 50 years the employees of Bühler Technologies have been have been developing, manufacturing and distributing components and system solutions in the “Gas Analysis“ and “Fluidcontrol“ divisions.

We offer flexible, system-compatible sensors and devices with state-of-the-art output signals for liquid level, temperature and pressure monitoring as well as for filter and moisture monitoring in hydraulic-systems. With the oil-water and oil-air coolers, filtering units and customer-specific subsystems, we meet today’s requirements in terms of a cost-effective and reliable operation of oil installations, even in hazardous areas. The Bühler Fluidcontrol product line extends the service life of oil and components, provides connectivity for automated operation, facilitates condition monitoring and helps reduce operating and maintenance costs.

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Put your trust in Bühler Technologies – your specialist for Gas Analysis and Fluidcontrol.


  • Oil / air cooler with pump and filter
  • Easy to maintain
  • Low noise emission gerotor pump
  • Filter with contamination indicator

Off-line cooler with installed filter housing. Filter elements suitable for the respective application.

Coolers are used to stabilise the operating temperature in hydraulic and lubrication systems. This can be implemented particularly cost-efficiently by integrating the cooler in a bypass circuit. The required cooler size can be calculated much more accurately if the flow rate and cooling capacity specifications are definite.

At the same time, the bypass circuit can also be used to integrate the working filter. The stable recirculated volumes and low system pressure allow the use of less expensive filter housings. Another advantage is easier maintenance. The filter element can be replaced without shutting down the entire system.

The compact design of Bühler FGSL off-line filter units meet the requirements in application quite well and can also easily be retrofit in existing systems.

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Off-line filter / cooler unit FGSL

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