8 1 2015 INT CASAFLEX district heating pipe CFL Subject to technical changes 4 200 Pressure loss chart Water temperature 80 C Example Mass flow rate 7000 kg h CASAFLEX type CFL 75 Pressure loss 90 Pa m M as s flo w ra te m k g h Pressure loss p Q 860m T m Flow rate in kg h Q Power requirement in kW T Temperature difference VL flow RL return in C 100 000 9 8 7 5 6 4 3 2 2 9 8 7 6 5 4 3 10 000 9 8 7 6 5 4 3 2 1 000 100 CFL 75 1 0 m s 0 9 m s 0 8 m s 0 7 m s 0 6 m s 0 5 m s0 4 m s0 3 m s0 2 m s CF L 98 CFL 60 CFL 39 CFL 30 0 1 m s CFL 48 CFL 22 CFL 127 1 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 10 100 1000 Pa m 0 1 1 0 10 100 mm WS m

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