... particles of liquid. Air, no spark, can be used for flammable and explosive places. Medium flow through ... etc.) Paint, glue, etc.; 2, paper industry: cooking liquid, bleach, paint, glue, etc.;3, the oil industry ... suitable for explosion-proof areas;2, medium flow through the air inlet valves for stepless adjustment ... no pulse, no impact, even for the liquid;5, diaphragm use the corrosion resistant material ...