Propellor agitator is mainly made from carbon steel and stainless steel, through fine machining. This kind of motor-driven agitator is applicable for solid and liquid-catalyzed suspension reactions. Large materials (such as NI catalyst) deposited at the bottom of reactors can be stirred up and suspended in liquids. The length of stirring paddle and shaft can be designed according to the actual dimensions provided by customers. Stirring revolutions: 1~1400 revolutions