DKL • Round ribbed roof caps

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Quick selection DKL 100 125 160 200 250 315 400 500 Q Ak 0.02 0.03 0.06 0.1 0.13 0.18 0.31 0.44 50 Vk 0.7 0.5             Ps 4 2             Lw(A) <20 <20             100 Vk 1.4 0.9             Ps 16 7             Lw(A) 23 <20             150 Vk 2.1 1.4 0.7           Ps 37 16 7           Lw(A) 38 20 <20           200 Vk   1.9 0.9 0.6         Ps   29 12 6         Lw(A)   31 25 <20         300 Vk     1.4 0.8 0.6       Ps     28 12 6       Lw(A)     40 31 <20       400 Vk     1.9 1.1 0.9 0.6     Ps     50 22 10 3     Lw(A)     50 41 27 <20     600 Vk       1.7 1.3 0.9     Ps       49 22 6     Lw(A)       56 42 24     800 Vk       2.2 1.7 1.2 0.7   Ps       87 39 10 6.5   Lw(A)       67 52 34 20   1000 Vk         2.1 1.5 0.9 0.6 Ps         61 16 10 7 Lw(A)         60 42 28 <20 1200 Vk           1.9 1.1 0.8 Ps           23 15 10 Lw(A)           49 34 23 1400 Vk           2.2 1.3 0.9 Ps           31 20 13 Lw(A)           55 40 29 1800 Vk             1.6 1.1 Ps             33 22 Lw(A)             49 38 2200 Vk             2 1.4 Ps             49 33 Lw(A)             57 46 2600 Vk               1.6 Ps               47 Lw(A)               52 3000 Vk               1.9 Ps               62 Lw(A)               57 Symbols and specifications Q = Air volume in m³/h Ak = Effective surface (free area) in m² Vk = Average effective velocity through the grill in m/s Ps = Static pressure loss given in Pa Lw(A) = Acoustic power in dB(A) Selection data for fresh air intake Values for exhaust may differ Pressure loss Dimensions DKL Ø d1 [mm] ØD [mm] H [mm] Ak [m2] (kg) 100 97 165 110 0.02 1.0 125 123 205 145 0.03 1.5 160 157 255 180 0.06 2.0 200 197 320 250 0.10 2.9 250 247 320 250 0.13 3.2 315 312 405 290 0.18 6.4 400 395 505 370 0.31 10.1 500 495 635 410 0.44 15.9 Remark To prevent moisture from being drawn in by air intake, the air velocity may not exceed 2 m/s on the free surface