A variable-frequency drive is a type of AC motor drive (system incorporating a motor) that controls speed and torque by varying the frequency of the input ..
ERMA FIRST ESK ENGINEERING SOLUTIONS S.A. Featured Popular
ERMA FIRST S.A. was established in 2009 by a team of experts with a strong background and solid knowledge in waste and water treatment technology for marine applications. Driven by the needs of shipowners and stricter environmental protection legislation, ...
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Our product range supplemented with agency products from other leading, world class manufacturers – is completed by related services such as the design and installation of pump plants and after sales service through our network of service centres.
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