... widely used in packaging and printing industry, water-based ink printing, gravure printing machine, flexo printing ink materials and glue to ... the gas chamber and damage the pump.Scope: 1, the printing industry: ink (water, gravure), solvents (toluene, acetone, ethanol ... ;5, diaphragm use the corrosion resistant material that can transport all kinds of corrosive media. one-way pneumatic diaphragm pumps