Get current pricing for Alfa Laval, LKH20 Alfa Laval Lkh20m155s4yn21aan Centrifugal Pump. Pump Size Is 2 X 2-1/2 X 155mm And Is Rated For 198 Gpm At 83 Feet Of Head. Unit Has A Sterling Electr . Product Category: Process Equipment, Sub Category: Water Treatment - Misc.: