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PF   
The centrifugal plug fan impellers are made of aluminum material with backward curve blades. The impeller is aerody¬namically designed for high efficiency and low power consumption. The maximum tip speed of the impeller is 70m/s. The impellers are optimized for stable performance and low noise and balanced according to G2.5 to DIN ISO 1940/1. The impeller has a GG-hub with taper-lock bush. The blades are made of powder coated steel or GI sheet steel.
The inlet cone is made of powder coated or GI sheet steel. The inlet cone allows a uniform and stable airflow into the impeller assuring cataloged performance.
The complete assembly consists of the motor, impeller and inlet cone. The mounting base is manufactured from gal¬vanized steel sheet.
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