... , such as water, oil, slurry , corrosive or with tiny particles of liquid. Air, no spark, can ... paper industry: cooking liquid, bleach, paint, glue, etc.;3, the oil industry: all kinds of oil, fuel, chemicals ... flow through the air inlet valves for stepless adjustment;3, self-lubricating, gas consumption is low, mobile ... transport all kinds of corrosive media. one-way pneumatic diaphragm pumps