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Filters have the function of filtering particles, condensate and oil in the compressed air, with the aim of protecting pneumatic components and achieving specified cleanliness classes.

There are various filter stages for this purpose:

• Coarse filter/water separator - 5 to 40 μm
• Pre-filter - 0.3 µm
• Ultra-fine filter - 0.01 μm
• Activated carbon filter - oil vapor

With the help of pressure regulators or pressure reducers, the operating pressure can be reduced to the level required for the individual application or downstream components.

The efficiency of a system is significantly influenced by pressure regulators in addition to the safety of the system. They always set the optimum pressure required for operation. Excessively high pressures mean unnecessary energy costs and, in some cases, unnecessarily high wear on downstream components.

Our devices, specially developed and adapted for the railroad sector, are designed for the harshest conditions and work at ambient temperatures of up to -40 °C, for example.

Compressed air filters and compressed air regulators are used in various applications in the railroad sector, such as door/brake systems or pantographs.

Our devices, specially developed and adapted for the railroad sector, offer maximum safety, even in particularly demanding applications. Whether for safety-relevant functions or use under adverse conditions - KNOCKS Fluid-Technik GmbH always has the right solution.