1. Closed Impeller type
Commonly used on pumps that flow clean water and ordinary water. Usually often used in household / domestic use. At the Factory, on the Ship and others. Pretty common in the market.
2. Open and Semi-Open Impeller Types
With conditions that are open or semi-open, then the possibility of blockage is much reduced. This allows the pump is generally used to flow through the water. Water also varies, there is clean water, dirty water and there are also industrial applications to circulate sludge or waste water or to drain rainwater from pits or storage lagoon waste. Because of this there is a type of Open Impeller impeller specifically used to drain sewage and sludge. Open impeller pumps are generally quite expensive and have a great ability to flow through high viscocity, and heavy flow. Check impeller easily. However, this type of impeller can only be set manually to get the best settings.
3. Vortex Pump Impeller
For pumps used for materials that are more dense or stringy than liquid fluids, a vortex impeller can be a good choice. But unfortunately, this type of pump is 50% less efficient than conventional designs.