Home > Hydac International develops new element technology to eliminate electrostatic charging of hydraulic and lubrication oil

Hydac International develops new element technology to eliminate electrostatic charging of hydraulic and lubrication oil

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Hydac has developed a new element technology that inhibits electrostatic discharge in filter elements and significantly reduces the charge in hydraulic and lubrication oil.

Electrostatic discharges present a real problem for hydraulic and lubrication systems, accelerating oil ageing. New Group II and Group III base oils being produced as a result of the market seeking more environment-friendly options display low conductivity and generate an electrostatic charge when the oil flows through the filters in the system. This can result in electrostatics being generated and electrostatic discharge taking place in the system. Special filters are therefore required to ensure the whole system operates economically and without risk.

Combining excellent electrostatic characteristics and filtration performance in a new type of filtration mesh pack and element design, Hydac’s Stat-Free elements have been designed to eliminate electrostatic charging of the oil, uncontrolled discharges and acceleration of oil ageing.

Stat-Free elements are particularly suitable for applications in hydraulic and lubrication systems that use the new low conductivity oil such as power plants, gas turbines, plastic injection moulding machines, calendars and mobile hydraulics. Hydac’s Stat-Free elements give a high level of operational reliability by preventing sparks, deflagration and sludge formation in the oil. This performance has been confirmed thorough laboratory and field tests.

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