When we talk about Safety – especially about machine safety devices or PPE – the term ergonomics often comes up. We use it to describe the features an object must have in order to adapt to the human body and to the way people actually use it. And when, unfortunately, a workplace accident occurs despite […]
Historically, attempts to control airflow in spray booths have followed two different paths: fans assisted by Pitot tubes and dampers actuated by differential pressure switches. Both approaches have significant limitations that have reduced their effectiveness and widespread use in this field. Let us summarise them briefly. Pitot tube sensor The orifice of the Pitot tube […]
Booth ventilation: a controllable variable (Part 1) A great deal has been written about the economic and operational benefits that can be achieved by applying process control principles to finishing operations. The advent of reliable PLCs and suitable instrumentation – such as pressure transducers and flow meters – has enabled finishing operators to monitor and […]
For years we have been hearing about air quality, what we breathe, PM10, and so on. All of this, although critically important, tends not to shock us very much anymore. Let us put these general considerations aside and go back to the painting department, specifically to the area around the spray booth. Here, air monitoring […]
In the past, industrial painting was often seen as a straightforward production step: it used raw materials and energy, discharged liquid and gaseous effluents and generated process waste, with limited attention to the overall impact of the coating line. Today, everyone involved in painting and coating processes has to take environmental impact into account, remembering […]
In recent years, the need to improve living standards and the quality and comfort of buildings has grown significantly, together with the need to limit heat losses as much as possible and therefore reduce energy consumption. As a result, both in new buildings and in the renovation of existing ones, we are seeing an increasing […]
In industrial ventilation and air handling systems, cleaning and maintaining filters is essential to ensure the energy efficiency of the system. A clean filter provides low pressure drop, stable airflow, and reduced electrical consumption, helping to keep the system consistently efficient and reliable. Why a clogged filter consumes more During operation, dust particles accumulate in […]
With the term Indoor Air Quality (IAQ – Indoor Air Quality) we refer to the quality of the air inside and around buildings, especially in relation to the health and comfort of occupants. In Italy, the Ministry for the Environment defines indoor pollution as “the presence, in the air of confined environments, of chemical, physical […]
A double-flow Heat Recovery Unit (HRU) is equipped with two main filter sections: Supply filter, which treats outdoor air before it is introduced into the indoor environment. Exhaust filter, which filters stale indoor air before it leaves the building, preventing coarse dust from depositing on the heat exchanger. Recommended filtration classes Exhaust filter: Class G4 […]
Replacing the filters of a controlled mechanical ventilation (HRU) system is a simple operation, but it requires some preliminary steps: identifying the filter section and the direction of the airflow. In a classic double-flow HRU, the filter sections are generally two: one for supply and one for exhaust. In some models, return filters and grille […]
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