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GTR 20

GTR 20
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transfer grille with flow • Ideal for adjusting an overpressure of hygienic rooms when we don't control the leak flow of the room's casing. • Adaptable to numerous wall configurations (partition, walls, doors...). • Flat facade, ideal for daily cleaning. • Easy adjusting of the damper's opening with a flat • To assemble on wall with 40 to 100 mm thickness : covering of all the border of the reservation drilled into the wall by two oversleeves that fit into eachother. • Possibility of assembling on a wall with superior thickness to 100 mm but the inside of the opening will not be covered by • Use when an additional supply air is wanted coming from a clean room. • Alone or in addition to extract grilles, enabling the adjusting of the overpressure between a hygienic room and an adjacent premises (overpressure generally > 15-20 Pa). • Use at a wall or door crossing, between a protected room and vestibule, corridor, storage zone, etc. Oversleeves Oversleeves Square mesh grille / ,60 \ Square mesh grille • 2 square mesh grilles in galvanised steel 10/10th, white epoxy • 2 oversleeves in steel sheets 10/10th lacquered black, with depth of 60 mm, to fix to each side of the wall. They can fit in together as to hold thicknesses of the wall from 40 to 100 mm. One of the oversleeve contains an adjustable damper system. • Damper composed of 2 plates with rectangular openings that, slide one in regards to the other, enable a progressive passage, • The opening and closing of the damper is controlled by a flat screwdriver that turns the small nylon piece visible on the • The grilles and the oversleeves are to be fixed to the wall by 4 screws supplied with a white masking. • Delivered in plastic film. technical description > Dimensions, reservation and weight Max: 100 mm (with covered oversleeves) Adjusting damper Guide created by France Air 2010. All rights reserved.

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