Lorentz PU1800 HRE-32 Submersible Solar Pump 5.9 m³/h 50 m Helicoidal
Modelo: 10-015750 PU1800 HRE-32-3, Rp 1 1/2", UL- Sku: LOREBOM061
- Vendor: Lorentz
Specifications
Product Description
The Lorentz PU1800 HRE-32 Submersible Solar Pump is a pumping unit (Pump Unit) for 4” wells that combines the ECDRIVE 1800-HRE 1.7 kW motor with the PE HRE-32 helical head in AISI 304/316 stainless steel. It is supplied without controller to integrate with an existing PS2-1800 or to design a custom system. With the appropriate controller, the assembly reaches up to 5.9 m³/h and 50 m, offering high flow rate, high efficiency, and virtually zero maintenance for agricultural and livestock use.
Main Features
- ECDRIVE 1800-HRE brushless motor, 1.7 kW, 900–3300 rpm, IP68; maintenance-free.
- PE HRE-32 helical head with non-return valve; maximum hydraulic efficiency 65%.
- Design performance with PS2-1800: 5.9 m³/h and 50 m head.
- Premium materials in AISI 304/316 and modular architecture for quick servicing.
- Compact and silent format, optimal for continuous high-volume solar pumping.
Advantages or Benefits
- Total flexibility: renew only the submersible part or create a high-flow system with PS2-1800.
- Low operating cost due to sealed brushless technology and efficient helical hydraulics.
- Reliability and long service life thanks to its stainless steel construction and IP68 rating.
- Lorentz modularity allows independent replacement of motor or head.
Purpose or Applications
Drip or sprinkler irrigation for large areas, filling ponds/tanks, supply to farms, and high-flow transfers in photovoltaic installations with columns up to 50 m.
Technical Specifications
| Type | Submersible pump unit (PU) without controller |
| Recommended controller | Lorentz PS2-1800 (MPPT) |
| Max. flow / Head (with PS2-1800) | 5.9 m³/h / 50 m |
| Motor | ECDRIVE 1800-HRE, 1.7 kW, 900–3300 rpm, IP68 |
| Head | PE HRE-32, helical, AISI 304/316, non-return valve |
| Well diameter | 4” (min.) |
| Max. immersion / Water temp. | 150 m / 50 °C |
| Unit dimensions (H1/H2/W1/W2/W3/D1) | 352 / 333 / 207 / 170 / 164 / 124 mm |
| Approx. weight (unit / motor / head) | 12 kg / 6.8 kg / 5.5 kg |
| Reference efficiencies (with PS2-1800) | Controller 98% · Motor 92% · Hydraulics 65% |
| Discharge connection | S = 1.5” |
Compatibilities
Direct compatibility with Lorentz PS2-1800 Controller and with the PE HRE-32 head (included). Supports, via the controller, dry well probes, float switches, and remote control. For the PV generator, size the strings according to the PS2-1800 window (Vmp/Voc and Isc within limits).
The Lorentz PU1800 HRE-32 is the modular and robust option for high-flow solar pumping systems, combining efficiency, reliability, and easy integration with photovoltaic energy.
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Lorentz PU1800 HRE-32 Submersible Solar Pump 5.9 m³/h 50 m Helicoidal
