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Dewatering pumps with a 100mm (4-inch) inlet size are versatile, medium-capacity pumps used for sewer bypass pumping and efficiently removing water from construction sites, trenches, excavations, mines and flood-affected areas.
Our 100mm dewatering pump range typically handles flow rates of several hundred litres per minute and can manage water with light solids or debris, depending on the pump model. They are commonly hired for use in civil works, road maintenance and small-to-medium construction projects where consistent water removal and sewer bypass pumping are essential for maintaining a safe and dry work area.
Our range also includes trailer-mounted pumps, skid-mounted pumps and silenced dewatering pumps, ensuring easy transportation and quiet operation in urban or noise-sensitive areas.
Yes, a 100mm dewatering pump can handle dirty water and light solids, depending on the model. Many are designed with robust impellers and solid-handling capabilities, making them suitable for water with silt, debris or sewage. Always check specifications for solids tolerance. For easy transportation and deployment, we also offer skid-mounted and trailer-mounted pump options.
Many 100mm dewatering pumps are self-priming, meaning they do not require manual priming before use. This makes them quick and easy to set up, especially in demanding site conditions. However, it’s important to confirm priming capabilities with the specific dewatering pump model to ensure optimal performance and ease of operation.
Diesel-powered 100mm pumps are ideal for remote or off-grid sites, offering mobility and independence from electricity. Electric pumps are best for quieter, low-emission environments with power access. Choosing the right dewatering pump for rent ensures efficient, safe operation tailored to your site conditions.