These devices are an integral part of any laboratory – any operations involving flammable, toxic, or caustic gases or volatile liquids must be performed under a fume hood.Ĭhemically resistant ventilation ductwork made of PVC in a laboratory. These require independent fume hoods, which can operate continuously or temporarily depending on the specific operation of the workstation from which air is extracted. reagent cabinets, cabinets for chemicals, etc.extraction fans above process equipment,.There are also other elements in the laboratory room such as: It should be remembered that the aforementioned factors apply only to comfort ventilation. The air may also contain volatile compounds that are harmful to human health. For emergency ventilation in the laboratory room, the air change rate may reach 20 air changes per hour or more. For laboratory rooms, the air change rate is generally 10 times per hour. The most important issues include in particular: increased air change rate compared to, for example, an office room, for which 4 air changes are typically assumed. ![]() The detailed analysis of such rooms and tests carried out by experts make it possible to identify other important issues that affect user comfort and safety while maintaining the above crucial parameters ![]() These parameters include temperature, pressure, and humidity. Depending on how they are used, laboratory rooms are divided into several groups, which include:ĭepending on the research technology and processes carried out in laboratories, strict environmental parameters must be maintained in rooms. Laboratory ventilation is necessary to ensure the safety and comfort of employees and good air quality during product testing. Ventilation in the laboratory - requirements
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