... frequency(at running or stop).Glandless and leakage free diaphragm pumps.Low power consumption.Drive by electromagnetism,simple design,the ... tubes for import and export.Suit for low pressure water treatment industries.PurposeWidely used in petroleum, chemical industry, metallurgy, mining, shipbuilding,light ... industry, constructions industry, and etc.MeasurementsProject Case mini diaphragm pumps