26 Oct 2018 | Aeroventic
EC fans for efficient cooling towers


For use in cooling towers, the ebm-papst portfolio contains a new axial fan with double flange housing of size 1,250 mm.

The extremely harsh ambient conditions with 100% humidity in combination with high temperatures inevitably lead to corrosion and a high degree of wear. So a particularly robust fan design with a special coating for metal parts and electronics circuit boards is essential. ebm-papst fans for cooling towers are rigorously checked in various tests (thermal cycling/wet test, salt fog test, Highly Accelerated Lifetime (HALT) testing, shock and vibration tests) and are thus ideally equipped to provide reliable operation in cooling towers.

The noise level is one of the many reasons for using EC technology, as outdoor installations are subject to maximum noise generation regulations in many countries. Reducing the speed to half air flow cuts the noise level of EC fans by 15 dB(A), whereas an improvement of only 3 dB(A) is attained with AC fans. The fans are also excellently suited to use in FanGrid arrangement, a system of centrifugal or axial fans operating in parallel.

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