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Why Refurbish AHU’s with EC Plug Fans

Old buildings can often feature outdated and deteriorating ventilation systems. The first opinion may be to replace the entire air handling unit, but often refurbishing the components within the system can prove beneficial beyond financial gain. This week we look at the advantages of AHU refurbishment over replacing the entire system. One major problem in favour of refurbishment is that of the existing system. Ductwork and max air volume delivery are often governed by the existing ventilation system, so the new one must comply with these sp...


Industrial Fans for Dust & Solid Transportation

Industrial and manufacturing processes and procedures can often produce hazardous and combustible airborne particles such as dust. This particulate must be extracted out of the working environment in order to protect other processes and any susceptible personnel. Axair, in partnership with Casals Ventilation, can supply a range of fans that can be utilised in local extract or multi-point ducted systems to remove these particles safely and efficiently. Material handling fans are required where dust, solid and bulky materials need to be handle...


We Make it A White Christmas with Snow Business

Christmas adverts, retail window displays and seasonal films are always complemented by a layer of white, freshly laid snow. As many of you will know, this snow isn’t real, and artificial snow and effects are big business. As the saying goes….there’s no business like show business…. Or in this case Snow Business. Throughout the year we have and continue to work with the company that helps to add an essential Christmas ingredient to many of these ads and displays by quite literally, making it snow! Based in Stroud, Gloucestershire,...


Effective Redundancy by Running Fans in Parallel

The air handling unit market is under constant pressure from all sides; pressure from the end user to improve indoor air quality, pressure from architects to provide more comfort and to produce more aesthetically pleasing units but also from energy consultants who demand manufacturers to deliver energy efficient units with higher airflow performance and pressures at lower installation and operating costs. Commercial heating and ventilating represent a major proportion of any construction budget, frequently comprising ten percent or more of t...


Industrial Fans for Offshore Platforms

Offshore oil and gas platforms incorporate a wide range of fan applications from production areas, power generation and compressor cooling. Offshore sites are built to withstand the harsh and corrosive environments in which they’re situated, and therefore components within systems must be suitable for purpose. Where hazardous gases are present, ATEX variants are required and should be specified by the system manufacturer’s maintenance manuals to advise the zone that the components should be certified to. Corrosion resistant fans that are op...


Understanding Electromagnetic Compatibility

EMC (Electromagnetic Compatibility) testing exists to ensure that your electronic or electrical devices do not emit a large amount of electromagnetic interference (known as radiated and conducted emissions) and that your device continues to function as intended in the presence of several electromagnetic phenomena. Regulatory bodies around the world have placed limits on the levels of emissions that electronic and electrical products can generate. Also, electromagnetic immunity testing is mandated for some areas and some product types. EMC m...


Dilution & Local Exhaust Ventilation for Shipyards

One of the major hazards associated with working in maintenance shipyards is the impact of poor air quality. Those working in confined spaces may be subject to stagnant air as a result of insufficient airflow or toxic and hazardous contaminants as a result of source pollutants. Ventilation is required to ensure the correct level of oxygen needed to dilute and remove contaminants such as CO2 and hydrogen sulphide, in addition to comfort cooling or heating. In general, there are two common methods of shipyard ventilation; Dilution Ventilation ...


Industrial Fans for Ballast Water Treatment Systems

Finally coming into force on 8th September 2017, the International Convention for the control and management of ships’ ballast water and sediments, places an emphasis on involved parties such as ship owners and manufacturers to give full provisions to minimise, prevent and ultimately eliminate the transfer of harmful aquatic organisms and pathogens through the control of the ships ballast water. The spread of invasive aquatic specifies into the sea can cause havoc for local ecosystems, affects biodiversity and leads to economic loss. The conv...


Understanding ATEX EEx Definitions

An explosive atmosphere can be one in the form of gases, vapours, mists or dusts, which can ignite under certain operating conditions. Potentially explosive atmospheres are found in many areas of industry, from mines and the chemical, oil and gas, and pharmaceuticals industries, to plants handling cereal, animal feed, paper, wood and coal. All these have the potential to produce gas, dust or fumes which can be ignited by a spark or flame. The classification of the potentially explosive atmosphere depends on the frequency with which potentially ...


Fans Used in Renewable Energy Source – Wind Power

The versatility and type of fans used within air movement projects is apparent when you look at our applications page from smoke ventilation, air handling units and chemical storage units, Industrial fans are used in a whole host of machines and processes to cool components or facilitate the effective running of equipment.  When looking at the components within the design and manufacture of the popular renewable energy source, wind turbines, industrial fans play an integral role. How Do Wind Turbines Operate? Wind turbines operate on a si...