Woelm Catalogue HELM Hardware for Sliding Shutters Page 17
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Technical Information HELM Telescopic Fittings, Three-leaf HELM Telescopic fitting three-leaf In case of three-leaf installations three Benefit of this installation: Only one leaf The available sets are designed for leaf needs to be driven electrically or manually. thicknesses of 30 to 50 mm. leaves are moved in three tracks. Leaf 3 moves leaf 1 and 2 into the desired position by means of telescopic deflection. fig. 2 Technical information 1 2 3 1 2 3 Mounting notes: • In case of three-leaf telescopic installations overlapping (Ü) of min. 40 - 70 mm is required. Depending on the selected lower guide • Generally, it is to be ensured that each leaf is stopped by means of stoppers in the end position. Key FB LÖ Ü AB leaf width clearance overlapping required parking area Calculation formulas FB = LÖ + (4 x Ü) . 3 AB = FB + 80 Max. admissible leaf weights for three-leaf installations Sliding Hardware HELM 80 Sliding Hardware HELM 140 Sliding Hardware HELM 150 electrical 40 kg 40 kg 40 kg manual 60 kg 80 kg 120 kg 17 TEH_40/10.2017
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