lindab | air valves Valve KPT Technical data 1 Air flow, q [l/s] and [m3/h], total pressure drop, Δpt [Pa], and A-weighted sound power level, LWA [dB], for different 2 settings, n [number of opening turns], are shown in the graphs. Sound power level, LWA [dB], A-weighted 3 is shown in the graphs. Sound attenuation, ΔLA, [dB] 4 Ød Valve Setting nom mounted in n 5 [number of opening turns] 0 6 2 3 100 Duct 4 6 7 8 10 0 4 8 5 125 Duct 6 7 9 8 9 0 6 10 160 Duct 8 10 12 0 11 7 200 Duct 9 11 12 13 15 Attenuation ΔLA [dB] 8,5 8,5 8,5 8 8 8 8 14 8 8 7,5 7 6,5 6 14,5 6,5 6 6 6 15,5 6,5 6 5,5 5,5 5,5 Tolerance ±1 13 Measurement of air flow 14 Data is available in a separate brochure. 15 16 17 18 Ø 100 200 100 50 number of opening turns 2 3 4 6 8 Δ pt [Pa] 20 10 5 20 Ø 125 200 100 50 38 35 LWA [dB] 10 20 30 40 50 [l/s] 50 100 180 [m3/h] q number of opening turns 4 5 6 78 9 Δ pt [Pa] 20 10 5 20 Ø 160 200 10 20 30 40 50 80 [l/s] 50 100 200 [m3/h] q number of opening turns 6 8 10 12 Δ pt [Pa] 100 40 50 35 30 20 LWA [dB] 10 10 40 15 20 30 40 50 100 200 q 100 130 [l/s] 300 400 [m3/h] 2 We reserve the right to make changes without prior notice
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