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  • Back to the Basics: Variable Ventilation
    Variable ventilation controls allow the maximum reduction in ventilation, and thus maximum economy. It also allows some extra corrective action but also one important safety concern: Variable ventilation is based upon the measurement of the L.F.L. concentration and adjustment to ventilation rates
  • Farm Ventilation Solutions
    Ventilation supplies fresh air that is essential to sustain life. It reduces humidity, temperature extremes, and air contamination to tolerable limits for confined animals. Improved ventilation systems also provide safer, more efficient working environments for farmers, which reduces production
  • Miniature Motors for Medical Ventilation
    The medical sector today mandates mechanical ventilation in cases where a patient's spontaneous ventilation is inadequate to maintain life. This is done to prevent an imminent collapse of other physiological functions, or ineffective gas exchange in the lungs. Mechanical ventilation therapies
  • Ventilation Case Study in Finland
    Kipp & Zonen radiometers were used for a case study in Finland on the effects of different types of ventilation units on keeping pyranometers clean, especially in the winter conditions of snow and rain showers, freezing rain, frost and other situations. This initial review of the case study results
  • Back to the Basics: Detection of Ventilation Loss
    The minimum ventilation calculations should be made for the "worst case." A direct measurement of the ventilation rate - using properly situated low-pressure switches - should be connected to the control logic so that the process shuts down immediately if ventilation falls below the minimum
  • Confused about Carbon Monoxide & Ventilation?
    How does new legislature regarding Carbon Monoxide and Ventilation affect you, as an HVAC contractor? An in-depth look at factors and considerations regarding the implementation of a gas monitoring system.
  • Back to the Basics: Minimum Ventilation Rate
    There are several fundamental safety precautions which should be applied to all dryer designs. These requirements call for a minimum below which the ventilation rate is never reduced. This predetermined, fixed value is calculated from solvent input and flammability characteristics. Fundamental
  • Back to the Basics: Safe Reduction of Ventilation
    Last week we discussed the 2 cases at which the authorities have determined that certain industrial processes can proceed at solvent vapor concentrations up to, but not exceeding, some percentage of the Lower Flammable Limit. At first glance, reduction of ventilation, even aided by an analyzer
  • Focus on providing adequate ventilation with fume hoods
    Safety professionals should focus on maintaining proper ventilation through crucial engineering controls, such as fume hoods, and improve the indoor air quality of buildings.
  • Using CO2 To Reduce Costly Over Ventilation
    The role of CO2 demand controlled ventilation in reducing energy costs in building with high variable occupancy is well known. What is less well known is the role CO2 sensors can play in providing a feedback control to ensure that minimum outdoor air settings are not over-ventilating spaces
  • Ventilation Project: Glass Bottling - Coahuila, Mexico
    Constellation Brands' facility in Nava, Coahuila was designed to handle everything from brewing to glass bottle production. As a result, the facility utilizes a robust ventilation system with over a dozen MoffittVent TM natural ventilators, 30 filtered supply fans with duct drops, and 1/3 of a mile
  • The unique AKIII enclosure with patented air ventilation system
    The Altech AKIII industrial enclosure has a patented air ventilation system that eliminates condensation while preserving the high protection class IP65. Occurring condensation is transported out of the enclosure immediately via air exchange. The continuous and high air exchange allows the interior
  • Guideline to Ventilation of Carbon Monoxide in Parking and Repair Stalls
    Ventilation shall be provided in garages to limit the exposure of workers to carbon monoxide to below the Time-Weighted Average Exposure Value (TWAEV) of 25 parts per million for a normal 8 hour workday or 40 hour workweek. In addition, any short-term (i.e., within a 15 minute period) exposure

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