... water, oil, slurry , corrosive or with tiny particles of liquid. Air, no spark, can be used for flammable and explosive ... solvents (toluene, acetone, ethanol, etc.) Paint, glue, etc.; 2, paper industry: cooking liquid, bleach, paint, glue, etc.;3, the oil industry: all kinds ... 4, medium export no pulse, no impact, even for the liquid;5, diaphragm use the corrosion resistant material that can transport ...