Ziehl-Abegg Inc. Centrifugal Fan RH..M Design (Explosion) RH50M Series

Specification:
Single inlet M series motorised impellers, intended for use without scroll housings. Impeller diameters from 280 to 630 mm are available, resulting in air volumes up to 10,000 m³/h.
Attributes and special features:
Fans according type of protection increased safety "e" conform to category 2 G and may be applied where a dangerous explosive atmosphere occurs only occasionally during normal operation.
Applications:
explosion-proof applications

Specification:
Single inlet M series motorised impellers, intended for use without scroll housings. Impeller diameters from 225 to 900 mm are available, resulting in air volumes up to 31,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. The motorised impellers are also available in ATEX design.
Applications:
Duct, tube and roof fans, air conditioning units, heat pumps, cleanrooms, and for cooling and ventilation purposes