LUCOMA AG Weekendweg 5 CH – 3646 Einigen Switzerland Lüftungskomponenten Equipements de ventilation Air Handling Equipment The new circular regulating valve RGKr The round multi-blade damper is designed for round ducts ranging from DN 100 to DN 2000 It benefits from a low power requirement for its closing torque. This means smaller and cheaper motors can be fitted. Equipped for manual operation or for electric or pneumatic drive. Technical highlights     C-profile frame made of galvanised steel, stainless steel1.4301 or 1.4571, 1.5 mm thick, bolted, torsionally rigid hollow body blades made of aluminium or stainless steel 1.4571. The blades are linked opposed and fitted with exchangeable EPDM seals. Temperature-resistant in various versions up to 120°C, 200°C, 400°C or 600°C. Axles made of aluminium, stainless steel 1.4301 or 1.4571, diameter18 mm, mounted at both ends in sintered bronze bushings or in bushings made of 1.4301 or 1.4571. On request mounted in ball bearings. For fitting in round ducts, smooth on both sides, with flanges to DIN 24+154/2 or to your