It’s a straightforward design in which the cylinder is a length of pipe with a disc of flat PVC glued to its end, and the piston ... are used for air input and output. The resulting pump isn ...

Piston pumps are relatively cost-effective when compared to other pump types. Screw pumps use one or multiple rotating ...

Comet-ME has developed a solar-powered submersible borehole piston pump for off-grid communities and smallholders to use for irrigation and domestic purposes. The device, compatible with PV ...