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Corrosive Fume Extraction in the Water Treatment Process

To provide water that is safe for human consumption, there are a number of processes that the water treatment industry use. Coagulation and flocculation are often the first steps in water treatment. Chemicals with a positive charge are added to the water. The positive charge of these chemicals neutralises the negative charge of dirt and other dissolved particles in the water. When this occurs, the particles bind with the chemicals and form larger particles, called floc. To separate the floc from the water, it is allowed to settle and fal...


SEAT Industrial Range Evolutions

Since our partnership with SEAT, Axair Fans has always had an impressive selection of Corrosion Resistant Polypropylene fans for use within hazardous atmospheres and ATEX applications in addition to a wide range of installation accessories. As a technical product engineer for the SEAT range and the one in the know when it comes to polypropylene applications, Andrew Ward reports on the old and new developments that Axair Fans has seen over the past few years. Let's recap by looking at the features of the well known S and ST range of fans: SE...


SEAT Fume Fans Plastic Fantastic for Educational Environments

In April 2014, a fire, which started in a small domestic refrigerator, caused over £100,000 worth of damage to science equipment and rooms at a Preston based college. The specialist 'Plant & Soil science' laboratories were rapidly refurbished in order to get them ready in time for the start of the new college year and this included the installation of a number of SEAT fume extract fans from Axair. The SEAT S35 models were applied to the extract hoods over the laboratory furnaces. Supplied complete they were delivered with weather ped...


Corrosion Resistant Fans – An Axair Guide

Plastic fans have come a long way from their origins as a somewhat  ‘home made’ product. The principal manufacturers, including our partner, SEAT Ventilation, are now offering powerful, low noise, low vibration products with very good mechanical isolation. Here, we offer an overview of the key principles and benefits of plastic centrifugal fans. Application Laboratory fume cupboards are by far the most popular application for corrosion resistant plastic fans. There are several other important applications such as the ventilation of fumes ...


HGI Fan Proves Fume Favorite for High Volume Extraction

We recently supplied a number of HGI-125-T-1 axial fans to an air handling contractor that had designed a ventilation system for a PVC sheet manufacturer. The PVC manufacturing process produces a number of gases, including hydrogen chloride, and the wall mounted axial fans would allow for the control and extraction of any potentially toxic fumes from their facilities. Encased in galvanised anti corrosive metal, the belt driven HGI-125-T-1 is designed to move large volumes of air at low speed, operating at 437 rpm to produce a maximum airf...


Laboratory Fume Extraction: How to Ensure Perfect Performance & Protection

Ensuring that personnel are not exposed to hazardous or odorous chemicals is of paramount importance in laboratory environments, therefore a fume cupboard extraction system is often essential. Simply installing a system is not enough though; operators should consistently check that the cupboard is functioning properly and that the airflow velocity is reaching the required level. The best way to do this is by installing an airflow monitor. Axair are the exclusive UK distributor for SEAT Ventilation, a world leader in the design and manufactur...


New SEAT S50: Powerful Protection from Hazardous Fumes

Powerful, energy saving and quiet, it’s hard to ask for more from a fume extraction fan but the new SEAT S50 has all those attributes and more. Designed for exhausting fumes from hazardous manufacturing processes, the S50 is the latest addition to SEAT’s S Series and can support perilous processes such as PCB manufacturing, component washing and etching. Fitted with a backward curved impeller, the S50 can produce a high pressure but with low noise and impressive efficiency. The fan’s polypropylene construction makes it ideal for use in...