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F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
F04B45/041—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms double acting plate-like flexible pumping member
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
F04B45/08—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having peristaltic action
F04B45/10—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having peristaltic action having plate-like flexible members