Absorbed power P [kW]. Absorbed torque M [Nm]. Drive speed n [rpm] www.jbj.co.uk/gear-pumps.html #DriveLineHarmony 21 Micro Hydraulic Gear Pumps 0.5 Performance Curves 0.5 0,00 0,50 1,00 1,50 2,00 2,50 3,00 3,50 4,00 4,50 5,00 5,50 6,00 500 1000 1500 2000 2500 3000 3500 4000 4500 2,00 1,60 1,30 1,00 0,75 0,50 n [min Q [l/min] -1] 0.5 0.50 0 100 200 300 400 500 600 700 800 900 1000 1000 1500 2000 2500 3000 3500 4000 0,0 0,5 1,0 1,5 2,0 2,5 230 bar 50 bar 100 bar 150 bar 190 bar 25 bar 25 bar 230 bar 190 bar 150 bar 100 bar 50 bar n [min P [W] M [Nm] -1] 0.5 0.75 0 100 200 300 400 500 600 700 800 900 1000 1100 500 1000 1500 2000 2500 3000 3500 0,0 0,5 1,0 1,5 2,0 2,5 3,0 230 bar 50 bar 100 bar 150 bar 190 bar 25 bar 25 bar 230 bar 190 bar 150 bar 100 bar 50 bar n [min P [W] M [Nm] -1] 0.5 , 0 .5 0.5 ,75 0,50 0,75 1,00 25 -230 bar 1,30 1,60 25 -190 bar 2,00 25 -150 bar Each curve has been obtained at 50°C, using oil with viscosity 30 cSt at these pressure.
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