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Ecofit Ewheel – New EC Backward Curved Centrifugal Fan

Designed for low to medium pressure applications, Axair Fans are excited to launch the latest addition to our impressive range of backward curved centrifugal fans with the Ecofit EWheel. Developed and manufactured by supplier partner, Ecofit, the 250 diameter EC Ecofit EWheel supersedes the previous version in both aesthetic design and performance. Over the past few years, the importance of developing and producing energy efficient components and finished product has been a huge focus, particularly in the industrial market. Having develop...


The Importance of Battery Room Ventilation

Everyone knows the function of a battery, to store electricity in the form of chemical energy and to convert to electrical energy when required. Vented lead-acid batteries or flooded batteries as they are also commonly known, consist of plates that are flooded with an acid electrolyte. When charging, the electrolyte emits hydrogen through the vents in the battery. Under normal operations, the release of hydrogen is relatively small, but this is elevated during heavy recharge periods. It's an important consideration for battery room ventilation....


Axair Fans For The Rail Industry & Rolling Stock

Modern rail transport technology has a great demand for high-quality fans worldwide. These specially designed fans are used in underground and suburban railways, regional and high speed trains for the cooling of traction engines, transformers, electronics and air-conditioners. Our fans have successfully been in used in these demanding applications on every for many years and meet the most diverse requirements with regard to mechanical shock, temperature range and power supply. Specific rail fan developments enable smooth operation with: v...


Understanding the Basic Fan Laws

Geoff Edwards, the technical product engineer at Axair Fans UK Limited, explains the three basic fan laws when applied to warehouse ventilation studies. The Fan Laws are a group of useful equations for determining the effects of a change in the speed, the diameter of the fan and the density of air in the system. They are most useful for determining the impact of extrapolating from a known fan performance to a desired performance. So, in short, the basic fan laws are used to express the relationship between fan performance and power. To ...


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,...


Noise Optimised Units for Fan Coil Units

Vibration induced noise can be a major problem in fan coil installations. It originates within the motorised impeller unit and cannot be entirely eliminated until new technology invents an induction motor that is free of electromagnetic vibration and an impeller that is perfectly balanced.] Ecofit believe they have gone a long way towards solving the problem by introducing double inlet centrifugal fans that incorporate anti-vibration mountings between the fixed shaft and the scroll mounting arms. The fans, prefixed ‘GDS’, therefore achie...


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...


Fume Cupboards & Alarms

Axair’s Labair controls range has been created for applications involving hazardous fume extraction such as fume cupboards and chemical cabinets. There are two models available A and C, both of which are available in a standard version or Digital. Both the A and C series are white with 3 push buttons: fan on/off, light on/off and alarm mute. They also feature a green LED light that illuminates to signify that the airflow is OK, a red LED light that flashes to alert that the air speed is too low and a sash high LED which starts flashing whe...