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DFF is a series of ready to install, tailor made, three stage air intake systems for use in special application areas. The DFF series not only provides excellent protection against all types of droplets but also filters particles at high air velocities. DFF has been designed for the supply air in marine propulsion systems and auxiliary equipment and for the provision of clean air for ventilation in marine and offshore environments. Harmful salts from the ambient air (solid particles as well as salt dissolved in water) are removed before entering the propulsion system. Air that has passed through the DFF system enters the engine containing less than 0.01 ppm salt (weight). As a particle filtration system DFF provides high air quality, high efficiency filters cleanse the air of numerous particles that occur in offshore environments.
DFF comprises of a range of mist elimination profiles and filters to meet precise application requirements, offering an optimum balance between the required separation efficiency, water loading capacity and available pressure drop to ensure energy efficient operation. Efficiency is fully independent of wind direction and relative humidity levels. DFF air intake systems provide effective elimination of the smallest “morning” mist droplets. They help to improve the climate for people, interior furnishings, cargo spaces and sensitive equipment. Optional filter stages with anti-sand functions are also available in order to meet demanding circumstances. Each DFF system is fully configurable. Options include various marine grade materials, flange positions, drainage systems, bird screens, anti-icing devices and many others.