Rooftop fan CRDV-D

ATEXcentrifugalexhaust

The Colasit CRDV-D roof fan has a robust housing made of weather-resistant plastic. It is equipped with a standard three-phase motor according to IEC, can be adjusted in single or multiple stages and can be optionally upgraded with a frequency converter. The motor is separated from the exhaust air flow and therefore protected against corrosion. Construction – One stage, suction on one side – Direct drive – CE marking Characteristics Static pressure min. 50 Pa to max. 1700 Pa Efficiency (tot. mech.) max. 42% Housing – Available in PPs, PPs-el – Sturdy casing – Vacuum formed Impeller – Available in PPs, PPs-el, PVDF – Injection molded – Forward-curved impeller blades – Transmission of force via fully plastic-coated aluminum hub – Adapter for simple impeller mounting Ex protection – Version available in ATEX Zone 1/2 Drive – Direct drive: Impeller mounted directly on motor shaft – Motor: Asynchronous motor PM motor (required with FC) – Motor separated from exhaust – Motor cooled via separate ventilation system