The adsorption capacity of activated carbon for a given contaminant is not easy to determine for activated carbon filters. Adsorption classes on an activated carbon bed One way to give an idea of the mass of contaminant that an activated carbon can adsorb is to divide substances into four classes, with decreasing ease of adsorption. […]
The choice of the correct paint booth filters has beneficial effects on product quality, worker safety and operating costs. Outside air filters Outside air filters are the first barrier against possible impurities entering the paint booth and are used to filter the larger particles present in the airflow coming from outside. They are generally pre-filters […]
Airflow visualization in clean environments is a practice prescribed by ISO 14644-3 among the control methods for cleanrooms. Methods for airflow visualization ISO 14644 provides that, to visualise airflow, several methods can be used, leading to both qualitative and quantitative assessments. Among the methods described are: tracer threads made of wool or similar, suitably positioned […]
Below are some freely adapted excerpts from ACR, The NADCA Standard (National Air Duct Cleaners Association) for the assessment, cleaning and restoration of HVAC systems (heating, ventilation and air conditioning). The latest edition of the standard can be accessed at the following web address: http://acrstandard.nadca.com/ This standard should be regarded as a technical reference and […]
Nitrile, latex and vinyl are the three most common materials used to manufacture disposable gloves. Latex gloves Latex gloves, made of natural rubber, are produced from the milky fluid tapped from the bark of the rubber tree (Hevea brasiliensis), a plant native to the Amazon that is now extensively cultivated in Malaysia, Indonesia, India, Vietnam […]
Introduction We often tend to think that fibrous filters behave like a sieve, where particles above a certain size are retained while smaller ones pass straight through without being captured. While this is true for some filters – such as membrane filters for liquids – air filters contradict this intuitive idea by effectively capturing both […]
Classification of Particulate air filters for ventilation according to European Standard EN779:2012
Columbus Industries Paint Overspray Collectors: multilayer filters used in Overspray particulates removal from exhaust air of liquid paint Spray Booths; composed of up to eight layers of slit and flame-retardant expanded kraft connected by longitudinal seams in silicone-free yarn, with final layers in mini-mesh or synthetic micro-fibers.
PGTC Inertial Pleated Filter consist of a double layer of pleated cardboard with alternating holes, and are normally used as the first barrier to overspray in finishing process in paint spray booths. PGTC Filters Comparative Table – height 0.9 m Model Cut Pleats PGTC 0.9 m x 9.24 m 231 PGTC AE 0.9 m x […]
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