• Centrifugal duct fans to extract fumes with chemical and corrosive agents (sulphuric acid, nitric acid, trichloroethylene, petrol, etc.).
• Also suitable for application on machines where a forced ventilation or air suction is required.
• Body and impeller in polypropylene with nylon hub graphite treated.
• 2 poles or 4 poles induction motors with ball bearings and IP 55 protection.
• Impeller housing can be installed in any different position with possibility of opposite rotation (on request, see table page 57) (except the model 610). The standard product is supplied with impeller housing position CCW 360.
• Fans with specialised motors are available on request i.e. Flameproof.
• In accordance with the essential requirements of 89/392/CE directive concerning machines, and with European Standards EN 292 part I and II, UNI EN 294 and IEC 204-1 and 2

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