Material: Stainless steel?, Cast?Iron，Aluminium alloy，Fluoroplastic， PTFE , PFASize: 1/2” ~4” , DN10mm~DN100mmFlow Rate (Q) 0 - 30 (m3/h)Lift Head (H) 0 - 50 (m)A diaphragm pump (also referred to as a Membrane pump) is really a positive displacement pump that utilizes a mix of the reciprocating action of the rubber, thermoplastic or teflon diaphragm and appropriate valves on each side from the diaphragm (check valve, butterfly valves, flap valves, or other type of shut-off valves) to function a fluid.?When the level of a chamber of either kind of pump is elevated (the diaphragm upgrading), pressure decreases, and fluid is attracted in to the chamber. Once the chamber pressure later increases from decreased volume (the diaphragm moving lower), the fluid formerly attracted was forced out. Finally, the diaphragm upgrading once more draws fluid in to the chamber, finishing the cycle. This course of action is comparable to those of the cylinder within an car engine. Diaphragm Pumps generate a hermetic seal between your drive mechanism and also the compression chamber, allowing the pump to transfer, compress, and evacuate the medium with no lubricant.