Leo 65WQ25-28-4 / 4KW 400V Submersible Sewage Pump And Motor
13870
Introducing the LEO 65WQ25-28-4 submersible sewage pump, a robust solution engineered for demanding wastewater handling applications. This versatile submersible pump excels in municipal sewage systems, industrial wastewater treatment facilities, and construction site dewatering operations where reliable, continuous performance is essential. Built on LEO's proven 65WQ series platform, this model combines Italian engineering expertise with practical functionality for waste and sewage pumping tasks.
Constructed from durable cast iron and stainless steel components, the 65WQ25-28-4 features a submersible design that enables direct installation in wet sumps, holding tanks, and sewage pits without requiring separate pump houses. Its robust impeller and corrosion-resistant materials withstand the abrasive and corrosive nature of sewage liquids, making it ideal for municipal treatment plants, residential septic systems, and industrial facilities handling contaminated water discharge. The compact submersible configuration ensures efficient operation in confined spaces while minimizing installation complexity and maintenance requirements.
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At a glance
Power: 4 kW (5.5 HP)Supply: 400 V three-phase, 50 HzMax. head: 33.1 mMax. flow: 55 m³/h (917 l/min)Connections: Outlet 2 1/2"Specifications
| Brand | Leo |
| Model | 65WQ25-28-4 |
| Type | WQ Submersible Sewage Pump 65WQ 2900 rpm |
| Motor power | 4 kW (5.5 HP) |
| Supply | 400 V three-phase, 50 Hz |
| Speed | 2900 rpm |
| Connection | Outlet 2 1/2" |
| Max. solids passage | 25 mm |
| Shut-off head | 33.1 m |
| Flow range | 0 – 55 m³/h (0 – 917 l/min) |
| Dimensions (W × L × H) | 32.4 × 78.4 × 28.9 cm |
| Weight | 58.5 kg |
| Item code | 65WQ25-28-4(380V) |
Performance Table
| Flow Q (m³/h) | 0 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 83 | 167 | 250 | 333 | 417 | 500 | 583 | 667 | 750 | 833 | 917 |
| Head H (m) | 33.1 | 32.3 | 31.5 | 30.7 | 29.8 | 29 | 27.7 | 26 | 23.6 | 20.2 | 14.4 | 6.9 |
Head at each flow rate from the manufacturer's technical data. For a duty-point check use the Get a Quote wizard below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the Leo 65WQ25-28-4:
Leo WQ Submersible Sewage Pump 50WQ to 150WQ (2900 / 1450 rpm) – Performance Curves and Technical Data (03-SUBMERSIBLE PUMP catalogue p13, 14, 15)
1 MB | Download
Need help choosing or want a price?
Our pump team will check the right size for your flow and head and give you a quote.
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Frequently Asked Questions
What is the maximum head of the Leo 65WQ25-28-4?
The Leo 65WQ25-28-4 has a maximum head of 33.1 m.
How much water can the Leo 65WQ25-28-4 pump?
The Leo 65WQ25-28-4 pumps up to 55 m³/h (917 l/min).
What power supply does the Leo 65WQ25-28-4 need?
Supply: 400 V three-phase, 50 Hz. Motor power: 4 kW (5.5 HP).
What are the pipe connections of the Leo 65WQ25-28-4?
Outlet 2 1/2".
