... , water-based ink printing, gravure printing ma Pneumatic single diaphragm pump is widely used in packaging and printing industry, water-based ... of the medium into the gas chamber and damage the pump.Scope:1, the printing industry: ink (water, gravure), solvents (toluene ... , glue, etc.3, the oil industry: all kinds of oil, fuel, chemicals, acids, bases, etc.Operating Characteristics:1, air, no spark ...