Range of centrifugal roof mounted fans in vertical discharge format, designed for smoke extraction in fire conditions suitable for F400-120 application, base parts manufactured in galvanised sheet steel, cowls manufactured from spun aluminium, centrifugal backward curved impellers manufactured in double coated painted sheet steel (cataphoresis + polyester), discharge proof guard, and ON-OFF electrical isolator switch incorporated.Acoustic version (INS) with silencer integrated at the fan discharge, to reduce outlet noise level.All model suitable for air stream temperature up to 120ºC continuous.
