Sewage pumps are mainly used to drain out or carry out the waste. In olden days people had to enter into the big sewage pit to clean it up but it has become easy after the invention of sewage pumps. It emits many poisonous gases which can be harmful if entering into the pit directly. More than one sewage pump is required if the company have more waste. There are many things which should be taken into consideration while selecting a sewage pump. Submersible sewage pumps are really good as it drains out the waste water whenever it is filled. Submersible sewage pump should be of good quality as the motor is inside the water level. The impeller selection should be right while going for a sewage pump. Impellers are instruments which creates a pressure in the flow of water while draining out so it should be of a good quality. Impellers allow all solid and thick fluids to pass through the vane. The impellers are designed with large throughlet size so that all thick and solid waste can be easily passed through the vane. A good quality impeller saves more energy and works more effectively.
Sewage pumps are also used at time of natural calamities like floods where the excess water is pumped out. Sewage pumps play a vital role in domestic use also. Sewage pumps are used to drain out the septic tank and they are available with timer which automatically drains out the tank when it is filled. The basements and different garages of homes are cleared out by these sewage pumps. Installing sewage pumps has become very essential in flats and apartments as the waste water accumulated is comparatively more than in homes and villas. Sewage pumps are important as they keep the surrounding hygienic and clean. Sewage pumps are also used in paper and pulp industries, iron and steel industries, chemical industries, food processing industries, dairy industries etc. Certain vacuum pumps are used in pharmaceutical industries where a large amount of waste is drained out. In paper industry the waste products are much thicker and mostly of solid materials so the sewage pumps have to be of high horse power so that it can pump out even thicker solid wastes. In large companies higher amount of money is spent for installing sewage pumps because drainage of waste is also important as production.