Mechanical overhead stirrers usually reach speeds of up to 3000 rpm. It comes with an impeller in the shape of a cross or pedals or wings.
When choosing a Over head Stirrers, choose a suitable engine according to the viscosity of the material and the amount of material.For aqueous liquid in small quantities up to 10 liters, a small motor up to 50 watts and a speed of up to 2000 rpm will suffice.For liquid water up to 50 liters, a motor of up to 100 watt and a speed of up to 2000 rpm will suffice.For a viscous material like oil paint up to 5 liters, a 200 watt motor up to 500 rpm is needed.For a volume of 10 liters, a 350 watt motor up to 500 rpm is needed.
