Pressure ratio, flow rate set out L/min (GPM) : 25 (GPM) inlet pressure: 40 ~ 90 psi / 3 ~ 6 bar / 0.3 ~ 0.6 Mpa pressure: biggest 4100 psi / 285 bar / 28.5 Mpa applicable occasions: large steel structure antirust paint, anti-corrosion paint, ships, storage tanks, containers, Bridges, heavy machinery and other industrial and mining enterprises and floor, fence, factory building, tunnel contour viscosity of paint, coating construction of high quality requirements