Exhaust Ventilation News

  • LEV III™ - Local Exhaust Ventilation Hoods

     LELAND, NC, July 13, 2018 — Flow Sciences, a leading provider of containment systems for laboratory, pilot plant, and manufacturing is now shipping the LEV III™, an addition to its expanding line of standard enclosures. ...


    By Flow Sciences Inc

  • General Guidelines For Welding Unit Sizing

    As a general rule of thumb, when using an 8″ diameter arm for local exhaust ventilation hood (LEV) the user should have a minimum of 900 CFM per LEV hood with a recommended airflow of 1150 CFM per LEV hood. For a 6″ diameter arm the user should have a minimum of 525 CFM per LEV hood with a recommended airflow of 650 ...


    By Air Quality Engineering

  • Roadshows held to encourage cleaner air in workplaces

    A series of interactive roadshows have been helping employers in industries such as welding and stonemasonry understand the risks of exposure to dusts, gases, mists, fumes and vapours. The events, hosted by the Health and Safety Executive (HSE), aimed to help small businesses control the potential for illnesses, such as asthma and silicosis, which affect thousands of workers every year, by ...

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