Ventilation Systems News

  • Airflow Patterns Within an Aircraft Cabin – The Effects of Passenger Loading and Ventilation Air

    In a study written by one of our customers at Kansas State University, a mock-up Boeing 767 cabin was built and used to study the effects of passenger loading where a number of tests were conducted. The article focuses on 2 scenarios of commercial air travel; the effect of passenger density on the transport of contaminants throughout the aircraft cabin, and the transmission of contaminants ...


    By Edinburgh Sensors Ltd

  • 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

  • Successful fire test performance secures major order for Rotork actuators

    Following the successful completion of a severe fire test, more than 1,300 Rotork RC200 actuators have been ordered for tunnel ventilation damper control in the latest stage of the Thomson Mass Rapid Transit (MRT) line in Singapore. The order from a local damper manufacturer is for RC200 high temperature pneumatic actuators for installation on the fully underground sixth section of the MRT line. ...


    By Rotork plc

  • 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

  • New Soldo limit switchbox for high temperature applications

    Soldo Controls, the specialist manufacturer of position feedback devices in the Rotork Instruments Division, has introduced a high temperature extension to its LSB range of compact limit switchboxes for valves and dampers. Manufactured with an aluminium or stainless steel enclosure, the new switchbox has been tested for operation in temperatures up to 250ºC for 2 hours or ...


    By Rotork plc

  • ASTM E95 - 68(2011) Standard Specification for Cell-Type Oven with Controlled Rates of Ventilation

    This specification covers the general and design requirements for two types of cell-type ovens based on their rates of ventilation, for determining loss in weight or changes in properties of materials on heating at elevated temperatures. This specification takes into account the fact that chamber geometry, rate of ventilation, and temperature each affect the rate of loss of volatile constituents ...


    By ASTM International

  • ASTM E741 - 11 standard test method for determining air change in a single zone by means of a tracer gas dilution

    Effects of Air Change—Air change often accounts for a significant portion of the heating or air-conditioning load of a building. It also affects the moisture and contaminant balances in the building. Moisture-laden air passing through the building envelope can permit condensation and cause material degradation. An appropriate level ...


    By ASTM International

  • AirTest First Half Revenues Increase 75% Over 2010

    ATI AirTest Technologies Inc. ("AirTest", TSXV: AAT) announced its results for the first half of 2011, showing revenue of $1,658,034, an increase of $710,672 or 75%, compared to $947,362 for the first half of 2010. "The primary reason for our rapid rate of growth is broadening awareness of the significant energy ...

  • 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 ...

  • WorkPoint announce release of AirBench FN

    WorkPoint are pleased to announce the launch of AirBench FN, a new addition to their leading range of downdraught benches. AirBench FN is a heavy duty downdraught workstation, designed with industrial applications in mind. The new model has all the benefits of the existing AirBench FP range, but with the addition of front access to all filters. Filters are spring-clamped into position, meaning ...


    By AirBench

  • EIB building upgraded to “Excellent” for its green credentials

    The EIB’s new East building which received the rating “Very good” from BREEAM for its design has gone through a post-construction assessment in 2009 and has been granted the ranking “Excellent”. From the outset of the project, the EIB decided to put environmental considerations at the forefront of the construction of its new building. As such, the Bank chose to present the building to BREEAM, the ...

  • EIB building upgraded to “Excellent” for its green credentials

    The EIB’s new East building which received the rating “Very good” from BREEAM for its design has gone through a post-construction assessment in 2009 and has been granted the ranking “Excellent”. From the outset of the project, the EIB decided to put environmental considerations at the forefront of the construction of its new building. As such, the Bank chose to present the building to BREEAM, the ...

  • Temple secures contract on Transport for London`s Cooling the Tube programme

    Temple Group with offices within London and Sussex, is one of the partners working with TfL on the Cooling the Tube Programme, having secured a contract to provide specialist environmental monitoring on the Victoria line mid-tunnel ventilation upgrade programme. Temple will be supported by Plowman Craven on this project. TfL is investing to address the issue of heat on the Tube. Getting heat out ...


    By Temple Group Ltd

  • Ilva Specifies Activent Ventilation System

    Logically, for a system that has established itself in Scandinavia, Fläkt Woods’ exclusive Activent ventilation system has been specified for the new ILVA store in Manchester. Founded in 1974, ILVA has its roots deep in Scandinavia, and has a status of being the second largest furniture and homeware retailer in Denmark. Activent was specified partly because it has established a reputation within ...


    By Flakt Woods Group SA

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