Self supporting Hood Positioning Devices (HPD), including the Flextractor HPD, Extended HPD, Mini HPD and Flextender HPD from Flextraction Ltd, supplier and manufacturer of Local Exhaust Ventilation (LEV) products are available with ATEX compliant finishes or stainless steel. They are ideal for food ingredient tipping and drum filling in bakeries and all other food processing and production applications, where dust and fumes are emitted. With over 15 years of engineering design experience and computer modelling software to manufacture flexible extraction arms, Flextraction has strived to obtain the correct solution for most LEV problems. The HPD has been designed to address the deficiencies of conventional flexible extraction arms, in line with current HSE guidance, to ensure the correct design and positioning of LEV hoods. HPD’s in Stainless Steel finishes, all incorporate new mounting brackets, hoods and hoses for the capture and extraction of industrial dusts and fumes including hazardous and corrosive fumes at the point of source.
There are no mechanics inside the flexible arms for optimised flow properties and eliminating the risk of dust being collected in any crevices and also allowing the wash through of the equipment of paramount importance in food production. Being ATEX compliant means that painted products are coated with an anti-static paint so that they can be used in hazardous area zones, which are based on the frequency and duration of where there can be an occurrence of an explosive atmosphere in which a mixture of air with dangerous substances in the form of gas, vapour, mist or combustible dust may occur in normal operations.
Features of these HPD’s include a rear casing that is fully enclosed giving an improved aesthetic appearance and protection against dirt ingress, a rear boom extension giving a 270° working radius and a new 360° rotating swivel hood enabling more accurate hood positioning, whilst quick release clips are used to attach a range of flexible hoses including ATEX certified hoses. Flextractor HPD’s are suitable for standard wall or stanchion mounting, as well as upward and downward swivel, joist and ceiling mountings and are available in five standard lengths between 1,5m and 4m. The Extended HPD provides the user with the additional option of a longer reach up to a maximum 8m. The wall or bench mounted mini HPD is available in standard diameters 75mm, 100mm, 125mm, 150mm and 200mm with either a 1m or 1.5 m reach. A range of hoods is available in a wide variety of designs including bell mouth, flare, fish tail, flat screen and custom designed.
Flextraction also designs and manufactures a range of downflow extraction booths to contain dust over large areas where conventional hoods are not always sufficient, or where dust emissions can spread over a wider area, such as when scooping from tubs or bags into a weigh point in bakeries and other food production plants.
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