... industry, petroleum and pharmacy, etc. Driven by compressed air along with pneumatic roof bolter and rib drill. No ... valve with special structure, flexible running, no dead center, low air consumption;f. Perfect self-absorption, do not need inverse ... DELIVERY HEADm50MAX.ABSORB DISTANCEm7AIR CONSUMPTIONm3/min0.6-1.9RATED AIR PRESSUREMPa0.5AIR PRESSURE RANGEMPa0.4-0.63SUITABLE TEMPERATURE0C0∼+ ...