... circulatory system, also applies to other industries transport all kinds of viscosity of liquids, such as water, oil, slurry , corrosive or ... time, to avoid Diaphragm damaged, resulting in delivery of the medium into the gas chamber and damage the pump.Scope: 1, ... proof areas;2, medium flow through the air inlet valves for stepless adjustment;3, self-lubricating, gas consumption is low, mobile ...