... kinds according to the use requirments , it is separated into 12 machine numbers according to the paddle-wheel diameter, they are ... successively 2,2.5. 3,3.5,4,4.5,5,5.5,6,7,8,10. This series ... -213001406214500.04-460020572.528000.25-221002156514500.09-410003559328000.37-230002307014500.12-4200059683.528000.75-260002606314500.25-4400010072414500.37-45870149649600.25-6450080744 ...