... , the rotor at different times within the natural formation of 1 ~ 20 mm wide impurities channel (Path small channel dimensions are small). Ensure ... a common linear expansion coefficient, medium -40°C~+80°C without amendment, to be precise determination. Amended application medium temperature can ... : 2~200mPa.sHigh-viscosity: >200~350000mPa.sNominal Diameter(mm)15,20,25,40,50,80,100,150,200,250,300,350 ...