ATEX is an acronym derived from the words “Atmospheres Explosibles” that is soon to be superseded by the term UKCA EX or UKEX in the UK, and forms part of a European equipment directive known as ATEX 2014/34/EU. ATEX 2014/34/EU was adopted within the UK Statutory guidance following Brexit, titled:

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There is always a risk of accidents happening where there is a large variety of chemicals stored or where there are ongoing operations producing vapours and corrosive gases. 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 opening over the working area and through ducting to the outside of the building, most often the roof. This method is widely used as it suitable for extracting more toxic vapours than recirculating filtered fume cupboards. The latter is more suited to experiments using much less hazardous substances. Additionally, school fume cupboards act as a physical barrier between reactions and the classroom or laboratory. This provides a degree of protection against inhalation exposure, chemical spills and fires. Electric motors are susceptible to over-heating when running on over-load, when their supply or self-cooling air is reduced, when ambient temperature is too high or when any part of the motor surface is thermally insulated by its installed situation. Any one of these conditions could lead to an explosion. Air flow controllers can be incorporated to monitor and control air speed and show the correct functioning of the fume cupboard’s air flow. Different versions are available depending on your requirements. If a ventilation system in a laboratory is not set up correctly or malfunctions it poses a serious health risk and can lead to short and long-term illnesses consequently. Fumes and dust can cause respiratory disease or aggravate a person’s existing condition such as Asthma. A publication by the Health and Safety Authority explains how poor fume extraction design and/or maintenance may lead to pollution exposure in a laboratory rather than preventing it. A poorly designed, installed, misused and incorrectly maintained system can become an expensive waste of school funds and may give a false impression of hazard control. Many employers and employees overestimate the effectiveness of the different types of local exhaust ventilation and have a poor understanding of the types of conditions that could lead to a reduction in or depletion of its effectiveness.It is strictly the responsibility of the end user to perform a DESEAR risk assessment to ensure that flameproof zones are properly defined in terms recognised by ATEX legislation It is recommended in ATEX 2014/4/EU and the prior legislation, 99/92/EC, that an Explosion Protection Document be produced, which will help to define the ATEX code for any equipment to be installed in the flameproof zone. In the UK other relevant reports may also have been filed under Health & Safety or COSHH regulations which may assist in the process. ATEX Explosion Proof Fans Coding The demand for more energy efficient systems in laboratories within schools, colleges and universities has seen an increase in designers and installers integrating EC polypropylene fans into new and existing fume cupboard systems. Our range of energy efficient corrosion resistant fans with IE5 B34 type EC motors reduce fan energy consumption by up to 20% without affecting the performance of the system and are available in single or three phase versions. To be fitted at the lowest point of the fan scroll to allow water to run away. Thread size 3/8″ BSP, hose connection 12mm Ø. Fan housing predrilled and tapped to hose connector.

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All polypropylene extraction fans are directly driven by IEC dimensioned electric motors manufactured to BSN4999-EN60034 Standards and are selected on their capacity for: Which can be pre-wired to the motor terminal to ensure first class electrical work in factory conditions and an isolator fan on the indoor or outdoor pedestal. Using anti-sparking material ( Stainless steel + Stainless steel) or an anti-sparking material pairing ( Steel + Copper or Steel + Aluminium) equipment intended for use in domestic and non-commercial environments where potentially explosive atmospheres may only rarely be created, solely as a result of an accidental leakage of fuel gas. We offer a wide range of chemical resistant fume extraction fans, (also commonly known as plastic or polypropylene fans) which are ideal for extracting chemical fumes. Polypropylene plastic fans for though work environments in Laboratories, the chemical and pharmaceutical industries.

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A fume extraction fan is most effective when used in conjunction with other types of products and accessories. Whether you require additional components to go with a fan depends on several factors, including your operational tasks, environment size and installation location. The weather pedestal offers a more enclosed casing for outdoor installations, it totally covers the fan motor beyond the IP55 protection.

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We'll do all this to ensure we fully understand your dust and fume extraction requirements and help you to provide a pollution-free workplace! Fume Cupboard efficiency can be increased with the integration of EC polypropylene fans for maximum efficiency. Our EC range of corrosion resistant fans can reduce fan energy consumption by up to 20% without affecting performance. Due to the chemical composition of the substances used in schools and universities, the fume cupboard extract fans need to be able to handle the corrosive air without risk to the operation. Axair offers specifically designed polypropylene fans for this type of application as the material properties allow the fan to operate in the corrosive air stream. Learn more about reducing fan energy consumption in fume cupboards here. We can also pre-wire to electrical isolators to the motor terminal to ensure first class electrical work in factory conditions and an isolator fan on the pedestal. SEAT fume cupboard extract fans are particularly popular in educational facilities, not only because of their resistance to chemical impairment, but also due to their minimal noise emissions, simple control & monitoring, and their easy installation.Chemical resistant fume extraction fans are to be used in conjunction with several products, from our fume extraction, dust extraction or vehicle exhaust extraction range. At-source capture hoods will capture the contaminants in the LEV system and draw them towards the centrifugal fan, and depending on the working process will expel particulates via a filtration unit, or directly to the atmosphere via a high-velocity cowl, as per HSG258: Controlling Airborne Contaminants at Work: A Guide to Local Exhaust Ventilation (LEV).