... phonetic name,the outer diameter of the vane wheel,the power and the rotational speed of the motor,etc.For example ... (circle integer)A-code for vane wheel15-the power of motor,1.5kw75-the power of motor,7.5kw1460-the standard rotational ... product design specifications.Our company produced marine centrifugal,axial fan,explosion-proof fan to reach more than 30varieties,more than 160specifications,by ...