... industry, water-based ink printing, gravure printing ma Pneumatic single diaphragm pump is widely used in packaging and printing industry, water ... of the medium into the gas chamber and damage the pump.Scope:1, the printing industry: ink (water, gravure), solvents ( ... of oil, fuel, chemicals, acids, bases, etc.Operating Characteristics:1, air, no spark, especially suited for explosive areas2, medium ...