TECHNICAL SPECIFICATIONS
SolarRO SW 18
Seawater Reverse Osmosis System
Product water flow rate
0,8 m³/h
Clean water recovery rate
38 %
Energy consumption
4,9 kWh
Energy per m³ of clean water
5,9 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 | 2,1 m3/h |
Recovery rate* | 38 % |
Minimum salt rejection | 99,5 % |
Brine flow rate* | 1,08 m3/h |
Brine quality* | TDS 58900 mg/L |
System pressure | 56 bar |
High-pressure pump | APP 2.2. Super Duplex, Danfoss |
HPP motor | 4,0 kW, Bevi |
Raw water feed pump** | 0,75 kW, bronze/AISI 316L |
Pressure vessels | 5 x 4040 |
RO Membranes | 5 x 4040 SW30HRLE or equivalent |
Cartridge pre-filtration** | PP 20”, 100, 25, 3 micron |
Variable frequency drive (VFD) | Vacon 100X, 5,5 kW solar application, Danfoss |
Specific energy*** | 5,9 kWh/m3 |
Recommended minimum of PV panels*** | 19 x 430 Wp |
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
- DrivePro® 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.