Factors Affecting the Choice of Dewatering Pump

Dewatering is extremely vital when constructing buildings, powerhouse and dams. Having firm and sound working conditions is indispensable. These structures not only require a dry base for their foundations but also a good water-table-stability in the girth. Although dewatering can be done by techniques such as gravity flow and electro-osmosis, the use of dewatering pumps is the most convenient, efficient and fastest in yielding satisfactory results.

Whatever the application, there are a number of factors that have an impact on the choice of dewatering pump:

Solids content – The water that collects during mine production, construction or from flooding is not clean and contains solids. The solid content varies greatly from application to application. Generally, floodwaters have a much lower solid content than the water that collects in mining or construction operations. Solids cause abrasive wear in pumps. In the harsh conditions prevalent in the construction and mining industries, dewatering pumps need to be robust enough to withstand abrasion. Centrifugal pumps, with their low tolerances, are particularly prone to abrasive wear and will require a high level of maintenance. Ideally, pumps with better abrasive wear resistance should be chosen for these applications.

Water pH – Depending on the quality of groundwater seeping into working areas, the water that needs to be extracted may be acidic. Mine water in particular has high acidity which can cause significant pump corrosion. Dewatering pump selection must take the acidity of the water into account. High acidity may demand a pump made from a material that has high corrosion resistance, like stainless steel and other steel alloys.

Solid material – In any flooding or water collection scenario there is always the possibility of solid material being present in the water. This makes it impossible for pumps with low tolerances to operate efficiently. Any pump selected should have sufficient tolerance to be able to handle solid material. Centrifugal pumps are generally not suitable for this purpose due to solids that could be present which could potentially clog the pump.

Worry no more Darling Pumps, today has one of the widest range of dewatering pumps, which comes with many unique built-in protections to overcome above challenge we understand water better, so we handle it better, water of various types & qualities.

Let's talk about dewatering pumps with us.

If you have any questions or queries, feel free to contact us –

36-F, Sector B, Sanwer Road,

Indore - 452015, India

Tel : +91 731 2720558, 2721782

Fax : +91 731 2721136

E-mail : dpplin@darlingpumps.in

www.darlingpumps.in