Rothenberger Refrigeration and Air Conditioning Catalogue Page 55
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GOOD TO KNOW Calculation examples TUBE BENDER MAXI Aw Wall Specifications: Lw Installation in corner areas L W = 1,200 mm A W = 30 mm Pipe-Ø 12 mm, 90°-arc L1 Sought after: a Leg length L 1 Applied size a Solution: Summary from the TUBE BENDER MAXI bending table Leg length L 1 = L W – A W = 1,200 – 30 = 1,170 mm Applied size a = L 1 – L R = 1,170 – 7.5 = 1,162.5 mm; L R … Tabular value at 45° TUBE BENDER at 90° at 180° for Ø mm / inch Bending radius R (mm) Reserve lenght L R mm Minimum lenght L M mm Reserve lenght L R mm Minimum lenght L M mm Reserve lenght L R mm Minimum lenght L M mm 4.75 / 5″ 6 8 9 10 12 3/16″ 1/4″ 5/16″ 3/8″ 1/2″ 20.0 23.5 28.0 30.0 34.0 37.5 20.0 23.5 28.0 34.0 37.5 4.5 5.0 7.0 7.0 7.5 8.5 4.5 5.0 7.0 7.5 8.5 1.0 1.2 1.4 1.5 1.8 1.9 1.0 1.2 1.4 1.8 1.9 4.5 5.0 7.0 7.0 7.5 8.5 4.5 5.0 7.0 7.5 8.5 10.0 11.5 14.0 15.0 17.5 19.0 10.0 11.5 14.0 17.5 19.0 — — — — — — — — — — — — — — — — — — — — — — at 45° TUBE BENDER MAXI at 90° at 180° for Ø mm / inch Bending radius R (mm) Reserve lenght L R mm Minimum lenght L M mm Reserve lenght L R mm Minimum lenght L M mm Reserve lenght L R mm 12 14 15 16 18 22 3/8″ 1/2″ 5/8″ 3/4″ 7/8″ 35.0 42.5 48.5 49.0 74.0 87.0 35.0 35.0 49.0 74.0 87.0 0.8 0.9 1.1 1.1 1.7 1.9 0.8 0.8 1.1 1.7 1.9 10.0 12.5 14.0 14.5 22.0 22.5 10.0 10.0 14.5 22.0 25.5 7.5 9.0 10.5 10.5 16.0 18.5 7.5 7.5 10.5 16.0 18.5 35.5 42.5 48.5 49.0 74.0 87.0 35.0 35.0 49.0 74.0 87.0 — — — — — — — — — — — Minimum lenght L M mm Reserve lenght L R mm Minimum lenght L M mm Reserve lenght L R mm at 45° TUBE BENDER MAXI CT Tube Ø Ws mm 10 × 0.6 12 × 0.6 15 × 0.7 18 × 0.7 Bending radius R (mm) 42.5 49.0 74.0 87.0 Reserve lenght L R mm 0.8 1.1 1.7 1.9 at 90° 12.5 14.5 22.0 25.5 9.0 10.5 16.0 18.5 5 at 180° 42.5 49.0 74.0 87.0 — — — — 55
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