... , acid cleaning, dying, paper making, galvanization, etc. Structure feature ·SZ pump has one impeller, axial suction and radical discharge ·Simple ... conditions Thin medium not containing grain or fiber. Medium temperature: -20 ~ 120 ; Medium density: Max 1.35×103kg/m3Ambient temperature: ... speed 2900rpm, 50HZ, 3×380V ·The pumps were tested with 20 non-air water, kinematic viscosity is 1mm 2 /s. ...