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Fans for School Fume Cupboards

During school science experiments and demonstrations, it is commonplace to use fume cupboards. School fume cupboards are designed to capture and remove air-borne hazardous substances generated during laboratory experiments to reduce the risk of exposure to a safe level. These include harmful gases, vapours, aerosols and particulates. Fume cupboards prevent potentially dangerous vapours being released into the classroom in two main ways; through ducting or through filtered, recirculated air. Ducted fume cupboards draw air through the sash ope...


The Growth of EC

Historically, AC motors were used as the principal air driving force in HVAC applications running constantly at full power. The continuously increasing demand for a more energy efficient solution with a greater range of operation possibilities led to the development of the Electronically Commutated (EC) motor. Since its development in the 1960s, EC technology has steadily grown market share and replaced AC technology in many air movement applications. Due to the substantial energy efficiency improvement in motor technology that EC offers, it...


Influence of E-Wheel Efficient Impeller: Noise and Energy

With an ever growing focus on system efficiencies, manufacturers of industrial equipment must take into account individual components to ensure that these key influencing factors achieve the desired energy savings. Replacing inefficient components that are often overlooked in ventilation systems, can result in sizeable gains. A significant component in such systems is an efficient impeller. Noise Attenuation Driven by an increased market requirement concerning noise levels, the new E-series impeller design produces major reductions in operati...