lindab | we simplify construction Blade angle Swirl diffuser RCW Technical data RCW with electric modulating motor Capacity Volume flow q v [l/s] and [m 3 /h], total pressure Δ p t [Pa], throw l 0.2 [m] and sound power level L WA [dB(A)] can be seen in the diagrams. α° 75 70 65 60 55 50 45 40 35 30 2 4 6 8 10 Control voltage (V) RCW with thermal actuator 75 α° 70 65 60 55 50 45 40 35 30 16 18 20 22 24 26 28 Temperat ° u C re (C o ) Throw l 0.2 / turning point l 0.0 Throw l 0.2 [m] can be seen in the diagrams for isothermal air at a speed of 0.2 m/s. Turning point l 0.0 [m] can be seen in the diagrams for heated air, +5 K, +10 K and +15 K respectively. Frequency-related sound effect level The sound effect level in the frequency band is defined as L WA +K ok . K ok values are specified in charts beneath the dia- grams on the following pages. Quick selection Size 250 250 315 315 400 400 500 500 630 630 250 250 315 315 400 400 500 500 630 630 250 250 315 315 400 400 500 500 630 630 Angle 30° 75° 30° 75° 30° 75° 30° 75° 30° 75° q v [l/s] 138 138 237 237 361 361 453 453 818 818 30° 192 75° 192 30° 329 75° 329 30° 513 75° 513 30° 636 75° 636 30° 1136 75° 1136 30° 267 75° 267 30° 455 75° 455 30° 729 75° 729 30° 893 75° 893 30° 1577 75° 1577 q v [m³/h] 498 498 854 854 1299 1299 1630 1630 2943 2943 692 692 1183 1183 1846 1846 2290 2290 4088 4088 962 962 1638 1638 2623 2623 3216 3216 5679 5679 l 0.2 P t isoterm [Pa] [m] L WA = 40 63 10 22 65 6 24 60 5 22 52 5 13 57 6 17 L WA = 50 121 13 42 124 8 46 122 7 44 103 6 25 110 8 32 L WA = 60 234 18 81 238 10 88 247 11 89 203 8 49 213 11 62 l 0.0 +10K [m] 5 6 6 5 7 7 8 8 6 9 10 11 12 9 12 Lindab reserves the right to make changes without prior notice 3 2020-12-08 Blade angle
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