The first consideration is the nature of the liquid being pumped as this has a major impact on the type of pump. Important factors to consider include general composition, the concentration and size of suspended particles as well as the liquid’s pH level, temperature, and chemical content. For example, is it water with fine particles or a much thicker fluid, and how aggressive a media is it?
One of the most important performance considerations is the flow requirement, i.e. how much liquid needs to be moved and how quickly? For example, a pump with a maximum flow rate of 138m3/h (608 US gpm) (such as Atlas Copco’s WEDA D50) will remove water from a pool that is 36m3 in 15 minutes (158 US gpm in 15 minutes). However, a pump with a flow rate of 350m3/h (1,541 US gpm) (such as the WEDA D80) would empty the pool in just 6 minutes.
Over what height does the fluid need to be pumped and how far does it need to travel? This will have an impact on the pressure that the pump needs to deliver to ensure it can pump efficiently and reliably. The greater the distance the water needs to be pumped, the more friction is created, which results in pressure loss from the pump. Pumps need to overcome gravity resistance as well as friction losses. When specifying, check the manufacturer’s published pump curve, which shows head height against flow rate, to ensure it covers the required duty point.
If mains electricity is available, an electric pump will be the best and most efficient choice in most cases. Electric submersible pumps – such as Atlas Copco’s WEDA pumps – are the simplest, most energy-efficient and most economical approach, providing high power in light and compact packages. If the site is remote and prone to a fluctuating mains supply, consider a pump that has the motor and starter equipped with inbuilt electrical protection against varying voltage, phase failure and human error.
Apart from the type of fluid to be pumped, energy source, and flow and volume needs, other factors need to be considered when choosing a submersible pump such as energy economy, durability and servicing expense for each pump offered. Making the right choice is not a simple decision, but with expert guidance it can be achieved satisfactorily.
Submersible pumps play a critical role in drainage and emergency dewatering applications across the United Arab Emirates. Whether managing water removal at construction sites, quarries, or during unexpected flooding, it’s vital to choose pumps built to handle the region’s harsh conditions. High temperatures, saline water, and sandy environments demand robust, corrosion-resistant materials. Additionally, in emergency scenarios, compliance with the UAE Fire and Life Safety Code of Practice ensures equipment reliability and operational safety. Atlas Copco’s WEDA pumps are specifically engineered for durability and efficiency, offering tailored solutions for UAE applications.
The UAE Fire and Life Safety Code outlines standards for emergency equipment, including pumps used for flood control and drainage in critical infrastructure. Atlas Copco ensures its WEDA pumps meet the necessary safety and performance requirements for emergency dewatering applications.
The UAE’s high temperatures, saline water, and abrasive particles can wear down standard pumps. Atlas Copco’s WEDA pumps are made with corrosion-resistant materials and advanced engineering to perform reliably in such challenging environments.
Atlas Copco’s WEDA pumps offer energy efficiency, high performance, and durability tailored for UAE-specific challenges. With expert local support, they ensure seamless operations in applications like construction drainage, flood control, and emergency dewatering.
October 18, 2022
Dewatering Pumps Dewatering pumps
Sustainability is increasingly becoming a crucial requirement for operators and end-users as regulations have become more demanding and stricter. To operate in a more sustainable and environmentally friendly way, operators are reviewing all their...
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Equally, it is a decision that applies to the choice of dewatering pump technologies for operations within the construction, mining, utilities and municipal arenas.
However, unlike the automotive debate, it is not a contest of technical...
