Elektror presents the HRD-BOOSTED high pressure blowers. They provide a air flow up to 40 m³/min and a total pressure difference up to 21,200 Pa. The wear-free, direct drive works via offset frequency converter (FU). They accelerates are up to 135 Hz (approx. 8,000 rpm). The housing is made of cast Aluminium,the impellers bent backwards and are made out of high-tensile QSTE steel. Optionally with automatic after-lubrication mechanism. The blowers are largely corrosion-resistant.