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Casal’s Storm Range Strengthened with Introduction of NIMUS & NIMAX

The new NIMAX and NIMUS range of highly efficient, medium pressure, backward curved, single inlet fans form an integral part of the Storm range produced by Axair’s supply partner, Casals Ventilation. The Casals Storm range offers and extremely comprehensive range of industrial fans, which also includes material handling fans and high pressure fans with both backward curved and radial blades The NIMUS and NIMAX range are available with 11 impeller sizes, from diameter 310mm to 1400mm and with motor powers from 0.37kW to 110kW, with airfl...


Process Cooling in Factories

Process cooling in industry is an important part of manufacturing. The cooling of products and removal of large amounts of heat throughout the year increases the efficiency of production processes and operations of equipment ranging from food processing, packaging, plastic injection molding to medical imaging equipment. With continuous innovation, there is often a reduced requirement for mechanical cooling. Processes are often cooled using just air. This has a number of benefits including a reduced operating cost. Airflow helps accelerate...


The Versatile EHND Series from Rosenberg

Our supplier partner, Rosenberg, has developed high efficiency centrifugal fans ideal for the movement of clean or slightly dusty air, gases or steam. The ERND/E and EHND/E series offer adaptable, all-round fans that can be used in a huge range of applications, from simple exhausting to demanding offshore environments. Product range ERND = (E) Single inlet, (R) forward curved centrifugal impeller, (N) IEC standard motor, (D) three phase ERNE = (E) Single inlet, (R) forward curved centrifugal impeller, (N) IEC standard motor, (E) single pha...


Extraction from Test Chambers

Test chambers are designed to examine various types of materials in many different ways for a wide scope of applications. Chambers may be required to measure corrosion or to test components to destruction. Their primary function is to speed up the processes to simulate time in an environment with certain characteristics. Finding the long term resistance to corrosion of materials requires the speeding up of corrosion by using certain substances. For example, a salt spray testing chamber would recreate the effects of a harsh offshore environme...


Swimming Pool Extraction Fans: Corrosion Resistance

Chlorine is widely used to treat water for swimming pools in leisure centres and domestic pools. When extracting chlorine fumes from areas such as plant rooms and storage cupboards after dosing, the air may be corrosive. If this is the case, it will need to be extracted via a polypropylene fan and plastic ductwork as metal systems would corrode over time. ATEX Requirements Chlorine has the potential to become explosive when mixed with certain other chemicals. Therefore, the swimming pool extraction system may need to be ATEX (Atmospheres Expl...


Medium Pressure Centrifugal Fans: Backward Curved Benefits

What is a backward curved centrifugal fan? The backward curved centrifugal fan design uses the centrifugal force generated by a rotating disk, with blades mounted at right angles to the disk, to impart movement to the air or gas and increase its pressure. The assembly of the hub, disk and blades is known as the fan wheel, and often includes other components with aerodynamic or structural functions. The centrifugal fan wheel is typically contained within a scroll-shaped fan housing. How does a backward curved centrifugal fan work? Backward cu...


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...


Hospital Chemical Storage Ventilation

Hospitals require a number of potentially hazardous chemicals in day to day maintenance, cleaning, sterilisation, testing and operating applications. The health care sector represents one of the largest users of chemicals in the UK. The storage of these chemicals involves a number of considerations in terms of temperature, ignition control, ventilation and segregation. In this article, we focus on chemical storage ventilation. The ventilation of chemical storage areas is of paramount importance to ensure clean air and a safe environment for ...