... design, reasonable manufacture, lower noisy, high uniform, mirror polished drum wall , fully mixing, easy to fully clean and charge and ... 85%. 3、During operation,all material in the mixing drum can be in self-rotation and diffusion under both rotations ... butterfly valve features high tightness, free leakage. Main Technical Parameters: SpecificationMixing Drum(L)Max Load(L)Motor Power(KW)Revolution(R ...