For our current prices, visit www.mpi-pumps.com or scan the QR code 20 Pressure loss short bend 90˚: ± 20 cm Pressure loss long bend 90˚: ± 10 cm Example pipe Ø 63 mm (inner diameter 58 mm): ● 12m3/h - 3,7 meter resistance - 1,3 meter/second (for correction on pipe materials please see on the left (under) of this page) Example pipe Ø 75 mm (inner diameter 70 mm): ● 12m3/h - 1,8 meter resistance - 0,8 meter/second Always try to stay below 2 meter per seconds! Amount of water 0,3 0,4 0,5 1 2 3 4 5 10 20 30 40 50 Head pressure loss in meters per 100 meters pipelength a 10 meter = 1 bar 100 10 20 30 40 50 3 100 6 200 12 300 18 400 24 500 30 1000 60 2000 120 3000 180 4000 240 5000 300 10000 600 16000 L/min. m3/hour Pipe diameter Multiplication factor: a for rubber hose 1,5 - 1,6 b for copper pipe 0,9 c for aluminium pipe 0,9 d for PVC pipe 0,85 Graph is valid for normal gaspipes a a a /” 20 23 25 1” 28 30 40 46 50 2” 58 60 69 70 80 100 4” 116 130 150 6” 167 200 225 250 275 300 300 400 83 90 /” 1/” 1/” 3/” v=0,5 m/sec. v=1 m/sec. v=1,5 m/sec. v=2 m/sec. v=2,5 m/sec. v=3 m/sec. WATER IS LIFE GROUP PIPE RESISTANCE CHART
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