Wellpoint Dewatering Piston Pumps
Wellpoint dewatering pumps remove groundwater to temporarily reduce the water table, enabling dry conditions for underground construction, tunnelling, trenching, civil engineering and renovation works.
Piston pumps work on the positive displacement principle, pushing extracted groundwater to the discharge point. These pumps are optimised for shallow excavation sites where a series of small-diameter wellpoints must continuously draw water to maintain a safe, dry work zone. One of their main advantages is the ability to pump both water and air. In wellpointing, lowering the groundwater level often draws in large volumes of air. This capability, combined with their ability to run dry indefinitely, makes piston pumps particularly well-suited for wellpointing applications.
The Remko diesel driven Wellpoint Dewatering Piston Pump (RWPP) is a cost-effective solution for construction dewatering, mine site dewatering and ground water level control. The extremely quiet canopy is also ideally suited for densely populated areas where noise and safety levels are important. Featuring a high-efficiency piston mechanism and reliable vacuum draw, Remko's unit is compact, mobile, and capable of handling entrained air, sandy water, and suspended fine solids without the performance issues typical of conventional centrifugal systems.
Browse Wellpoint Dewatering Piston Pumps
RWPP-100 – Wellpoint Dewatering Pump
100mm Diesel Driven Piston Pump
High-performance wellpoint dewatering pump for construction sites
| Pump Size | 100mm (4 inch) |
| Flow (max) | Variable by model |
| Head (max) | Variable by model |
- No Priming Required - Self-prime pump with excellent suction capabilities. Can run dry without damage.
- Easy Maintenance - Additional cleaning window on pump body allows easy access to valves, cylinder and stuffing boxes.
- Durable Cylinder Liners - Fully machined stainless steel cylinder liners can be rotated for extended service life.
- Quiet Operation - Gear drive designed for reduced noise, ideal for populated areas.
- Robust Valve System - Quick and easy dismantling of fully stainless steel piston rods.
- Optional Stone Catcher - Protects pump internals from suspended solids with easy access cleaning covers.
Frequently Asked Questions
Wellpoint dewatering pumps use positive displacement piston technology, allowing them to pump both water and air simultaneously. This is essential for wellpoint systems where air is drawn in as the water table lowers. They can also run dry without damage, unlike centrifugal pumps.