TECHNICAL SPECIFICATIONS
SolarRO SW 18
Seawater Reverse Osmosis System
Product water flow rate
0.8 m³/h
Clean water recovery rate
38 %
Energy consumption
4.7 kWh
Energy per m³ of clean water
5.8 kWh/m³

Make Clean Water with Solar. Cut Costs. Build Resilience.
- Fast to Deploy. Easy to Operate.
- Flexible Power Options
- Built to Last
Technical Specifications
| Product water flow rate* | 0.8 m3/h |
| Product water quality* | TDS < 140mg/L, ph 6.5 |
| Raw water feed flow rate | 2.2 m3/h |
| Recovery rate* | 37 % |
| Minimum salt rejection | 99.5 % |
| Brine flow rate* | 1.04 m3/h |
| Brine quality* | TDS 58900 mg/L |
| System pressure | 53 – 57 bar |
| High-pressure pump | Super Duplex, axial piston pump (4 kW) |
| HPP motor | 4.0 kW |
| Raw water feed pump** | 0.75 kW, bronze/SS 316L |
| Pressure vessels | 5 x 4040 |
| RO Membranes | 5 x 4040 SW440 R or equivalent |
| Cartridge pre-filtration** | PP 20”, 50, 25, 3 micron |
| Controller | Variable frequency solar drive (5.5 kW) |
| Specific energy*** | 5.8 kWh/m3 |
| Energy consumption* | 4.7 kWh |
| DC power supply requirement (solar PV) | 600 – 800 VDC |
| AC power supply requirement (grid) | 380 – 480 VAC / 50 – 60 Hz |
* Test Conditions: Seawater TDS 36 000 mg/l, pH 8, T 25°C, system pressure 56 bar ** Raw water pump model and characteristics subject to change depending on site-specific requirements *** Raw water feed pump not included Specifications and system design are subject to change without prior notice. |
Operating Conditions
| Raw water source | Seawater / high saline groundwater |
| Raw water TDS range | 20000 – 40000 mg/L |
| Raw water temperature range | 5 – 45 °C |
| Air temperature range | 0 – 45 °C |
| Raw water feed pressure range | 2 – 5 bar |
Standard features
- Patented ANVS® pressure control
- Non-corrosive materials: Super Duplex, PVC-U
- UV-disinfection
- Integrated CIP (clean in place) system
- Dry run and over-pressure protection
- Product water quality indicator (TDS)


Customizable features
- Remote Monitoring
- Multi-Media filtration
- Specific substance removal filtration
- Antiscalant dosing
- Containerized system (8ft)
- Integrated clean water dispensing system
- Post-mineralization

DECENTRALIZED DESALINATION
4 Reasons to Choose
Solar Water Solutions
Built for harsh conditions – energy-efficient and reliable anywhere.
Expert service and smooth delivery from start to finish.
Clean water made simple and sustainable – wherever you are.
Lower costs, less waste, and a better future.