Types of Water Pumps and Their Principles | Linquip
WEBSep 30, 2023 · Rotarytype positive displacement: external or internal gear pump, shuttle block, screw pump, lobe pump, circumferential piston, flexible impeller, flexible vane or sliding vane, twisted helical roots ( the Wendelkolben pump) or liquidring pumps. Lineartype positive displacement: chain pumps and rope pumps.