Alfa Laval LKH Performance curves LKH-5, 60 Hz Motor: Tolerance: Impeller, Max. dia.: Impeller, Min. dia.: Pump inlet, dia.: Pump outlet, dia.: Performance data refer to water at 68 °F 3600 rpm. synchr. ±5% 5.197" 3.54" 2", DN 50 1½", DN 40 Note! The curves refer to motor: 3.4 Hp, 3460 rpm. asynchr., 60 Hz. For smaller motors, reduce head (H) with: 3%. DO NOT FORGET THE SAFETY FACTOR H (ft) 110 100 90 80 70 1HP 60 2HP 1.5HP 50 40 30 20 E 10 0 20 40 60 A = 5.197” B = 4.724” C = 4.331” D = 3.937” E = 3.543” 3HP A B C D 80 100 NPSH r (ft) 12 0 120 Q (usgpm) 3000-0273 22
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