The Efaflu NBS Submersible Borehole Pump is a high-performance multistage centrifugal pump engineered for efficient groundwater extraction from wells. Designed for durability and reliability, it is suitable for agricultural irrigation, domestic water supply, and clean water transfer applications.
Available in 3 inch, 4 inch, and 6 inch diameters, the NBS series ensures flexibility for different borehole sizes. The pump features technopolymer impellers and diffusers, providing excellent resistance to wear, corrosion, and scaling while maintaining high hydraulic efficiency.
Its design guarantees proper motor cooling during operation, ensuring long service life even in demanding conditions. The pump is compatible with motors according to NEMA standards, allowing easy integration and maintenance.
Optional accessories such as cooling jackets enable installation in wells or tanks, while selected models support horizontal installation for specific applications.
Features:
- Multistage submersible borehole pump
- Designed for groundwater extraction
- Available in 3", 4", and 6" diameters
- Technopolymer impellers and diffusers
- High efficiency hydraulic performance
- Corrosion and wear resistant materials
- Compatible with NEMA standard motors
- Ensures proper motor cooling
- Optional cooling jacket for extended applications
- Suitable for vertical and selected horizontal installations
Specifications:
| Specification |
Details |
| Pump Type |
Submersible multistage pump |
| Application |
Wells, irrigation, domestic water |
| Diameters |
3 inch, 4 inch, 6 inch |
| Pump Casing |
AISI 304 |
| Impellers |
Technopolymer |
| Diffusers |
Technopolymer |
| Shaft |
AISI 304 |
| Max Flow Rate |
Up to 66 m³/h |
| Max Head |
Up to 500 m |
| Max Liquid Temperature |
35°C |
| Max Immersion |
150 m |
| Installation |
Vertical or horizontal (selected) |
| Max Sand Content |
25 g/m³ |
Applications:
- Groundwater extraction from wells
- Agricultural irrigation systems
- Domestic water supply
- Water transfer for clean water systems
