42 Performance Curves 4”WPS® 20 and 4”WPS® 20 N Performance Curves Q [m³/h] 0 3 6 9 12 15 18 21 24 27 H [m] 0 20 40 60 80 100 120 140 160 180 Q [m³/h] 0 3 6 9 12 15 18 21 24 27 [%] 0 20 40 60 80 P2 [W] 0 60 120 180 240 4"WPS® 20 4"WPS® 20 N 50 Hz Q: 5 - 26 m³/h -11 3kW -15 4kW -27 7,5kW -4 1,1kW P2 -20 5,5kW -5 1,5kW -8 2,2kW Curves Tolerances according to ISO 9906:2012 Grade 3B 4’’WPS®
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