The seawater desalination unit is engineered with internationally advanced reverse osmosis (RO) technology and optimized system design.
- Compact & Adaptable: Designed to meet shipyard technical specifications, including dimensional constraints and lifting lugs. Features a small footprint, easy installation, and high adaptability for marine vessels and offshore platforms.
- User-Friendly: Simple operation and maintenance. Requires only seawater and power supply to produce water after startup.
- High Performance: Achieves stable, reliable operation with a salt rejection rate exceeding 98.5%, effectively removing harmful components such as inorganic salts, heavy metal ions, organic matter, bacteria, and pathogens from seawater.
- Quality Assurance: Produces water that meets China's National Drinking Water Sanitation Standard (GB5749-2006).
| Parameter |
Details |
| Model |
WY-SW-50 |
| Frame Color |
Silver Gray (RAL 7001) |
| Water Quality |
TDS < 700 mg/L |
| Daily Output |
50 tons/day (2.08 m³/h) |
| Power Consumption |
16.5 kW |
| Salt Rejection Rate |
>98.5% |
| Power Supply |
480V / 60Hz / Three-phase |
| System Recovery Rate |
35% (temperature & water quality dependent) |
| Operating Pressure |
3.5–5.5 MPa |
| Dimensions |
2600×1200×2035 mm |
| Net Weight |
710 kg |
| RO Membrane & Housing |
3×3 elements (8040 type) |
| Frame Material |
Carbon steel with spray coating |
- Overpressure Protection: Automatically shuts down and triggers audible-visual alarms when high-pressure pump outlet pressure exceeds 6.2 MPa.
- Low-Pressure Protection: Activates shutdown and alarms when inlet pressure to the high-pressure pump drops below 0.05 MPa due to insufficient pretreatment water supply.
- Multi-Media Filter Cleaning: Equipped with manual multi-way valves for backwashing when differential pressure reaches 0.1 MPa.
- RO Membrane Cleaning System: Enables physical, chemical cleaning, and preservation solution injection for membrane modules.
- Quality Control: Automatically diverts water discharge if product water quality exceeds standards.
| Component |
Specification |
| RO Membrane |
8040 Series (Dow/Toray/Hydranautics) |
| Membrane Housing |
1000 PSI, Fiberglass Reinforced Plastic (FRP) |
| Multi-Media Filter |
φ900×1650 mm, FRP |
| Cartridge Filter |
20 m³/h, 20"×5μm×1 element, FRP |
| Feed Pump |
CNP (Southern Pump), SUS316L |
| High-Pressure Pump |
Taiwan Diamond Brand, SUS316 |
| Electrical Components |
Schneider |
| Conductivity Meter |
Coreda |
- Water Treatment Unit
- Operation Manual & Video Tutorial
- Completion Documents:
- Product certificate
- Factory test report
- Packing list
- Equipment drawings
- Consumables & Spare Parts
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Performance Conditions: Daily output is measured at 25°C inlet temperature, 35,000 mg/L salinity, and 4.5 MPa operating pressure.
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Customization: Available upon customer request.