Split Blue Titanium Flat Plate Solar Collector Solar Water Heater with Pressurized Stainless Steel Water Tank
Split‑type pressurized flat‑plate solar water heater adopts blue‑titanium selective coating flat‑plate collectors and fully‑pressurized stainless‑steel storage tank. Collectors are installed on rooftop, balcony or outer wall, while tank is placed indoors. Closed‑loop forced circulation with antifreeze glycol delivers reliable anti‑freeze performance. Blue‑titanium absorber achieves high solar absorption rate, modern flat appearance fits building‑integrated solar design. Internal thick‑wall copper coil realizes indirect heat exchange; drinking‑water is fully isolated from heat‑transfer medium. Whole tank withstands municipal tap‑water pressure for stable comfortable shower pressure. Optional built‑in electric heating guarantees 24‑hour domestic hot‑water for family bathing, laundry and kitchen usage.
Working Principle
- Low‑iron tempered glass transmits sunlight onto blue‑titanium absorber sheet; high‑selective blue‑titanium coating converts solar radiation into heat, warming antifreeze fluid inside full‑copper flow channels of flat‑plate collector.
- Solar differential‑temperature workstation monitors temperature difference between collector and tank. When preset temperature difference is reached, circulation pump automatically starts, driving hot antifreeze medium flow into indoor storage tank. Heat transfers to domestic tap‑water via internal copper coil.
- Cooled antifreeze flows back to flat‑plate collectors for next heating cycle, forming sealed closed‑loop circulation. No tap‑water flows inside flat‑plate panels.
- Full‑pressurized stainless‑steel tank directly connects municipal tap‑water pipeline to output stable high‑pressure hot‑water. Under rainy‑cloudy weather, optional electric heating automatically supplements heat to maintain hot‑water supply.
Important note: System needs AC power supply for circulation pump and controller. Fill antifreeze glycol matched with local minimum ambient temperature. Magnesium anode rod is consumable spare part requiring periodic inspection and replacement.
Core Technical Specifications
‑ Tank Optional Capacity: 100L /150L /200L /250L /300L ‑ Inner Tank: SUS304‑2B / SUS316L food‑grade stainless steel; replaceable magnesium sacrificial anode rod for anti‑corrosion ‑ Insulation: 45‑55 mm high‑density closed‑cell PU integral foaming, low overnight heat loss ‑ Tank Working Pressure: 6‑8 bar full‑pressurized, equipped with pressure‑relief safety valve ‑ Flat‑Plate Collector: Blue‑titanium selective absorber coating; solar absorption rate ≥95%, emission rate ≤5%；low‑iron tempered glass; aluminum alloy frame; standard dimension 2000×1000×80 mm ‑ Heat Exchanger: High‑efficiency thick‑wall internal copper coil ‑ Circulation Mode: Closed‑loop forced circulation, complete with solar workstation (circulation pump + differential‑temperature controller + expansion vessel) ‑ Heat‑transfer Medium: Antifreeze glycol fluid ‑ Auxiliary Heating: Optional 1500‑3000W built‑in electric heating element ‑ Outer Casing: Color‑coated galvanized steel or stainless‑steel sheet ‑ Collector Bracket: Aluminum alloy / galvanized steel anti‑rust mounting frame ‑ Typical Service Life: 14‑20 years under regular maintenance ‑ Certifications: CE, ISO9001, Solar Keymark available for export shipments
Application Scenarios
‑ 100‑150L: 2‑4‑person household domestic hot‑water ‑ 200‑300L: 4‑7‑person large family, multi‑bathroom villa ‑ Modern new buildings, balcony‑wall‑mount installation, building‑solar integration projects ‑ Coastal salt‑spray regions, hard‑water quality areas ‑ Cold‑climate zones with sub‑zero temperature; old‑house hot‑water renovation
Collectors need minimum 4‑6 hours direct sunlight daily, avoid shading from trees or buildings.
| Feature | Split Blue‑Titanium Flat‑Plate Pressurized System | Split Evacuated‑Tube Solar Water Heater | Integrated Thermosyphon Solar Heater |
|---|---|---|---|
| Collector Appearance | Flat‑panel, modern architectural style | Evacuated glass tube | Tube‑collector integrated rooftop unit |
| Installation Layout | Collectors on roof/balcony‑wall; tank indoors | Collectors on rooftop; tank indoors | Tank + collectors both on rooftop |
| Circulation | Pump‑driven closed‑loop indirect | Pump‑driven closed‑loop indirect | Pump‑free natural thermosyphon |
| Anti‑freeze Performance | Excellent with antifreeze glycol | Excellent with antifreeze glycol | Require pipeline anti‑freezing insulation |
| Rooftop Load | Light, only flat‑plate collectors | Light, only vacuum tube collectors | Heavy full‑water‑filled unit |
| Building Compatibility | Perfect for BIPV/T building integration | General rooftop installation | Limited to rooftop installation |
Key Buying Considerations
- Power requirement: Circulation pump and solar controller need stable power supply.
- Collector layout: Blue‑titanium flat‑plate supports rooftop, balcony wall‑hanging installation, suitable for modern‑style buildings.
- Tank material: SUS316L inner tank recommended for coastal salt‑spray and high‑hard‑water regions; confirm magnesium anode rod is equipped.
- Quotation confirmation: Verify solar workstation, expansion tank, antifreeze liquid and installation accessories are included in quotation.
- OEM support: Custom capacity, collector quantity and logo available for bulk orders.
- Export compliance: Prepare target‑market certifications for customs clearance.
Installation & Routine Maintenance
Installation must be completed by certified professional installers. Adjust flat‑plate tilt angle according to local latitude. Complete pressure‑leakage test before commissioning. Never activate electric heating before tank is fully filled with tap‑water.
‑ Every 3‑6‑month inspection: Check flat‑plate surface cleanness; inspect pump, controller and pipe joints for leakage. ‑ Every 1‑2‑year professional service: Replace consumed magnesium anode rod; test antifreeze fluid concentration; inspect copper‑coil heat‑exchange performance.
FAQ
Q: What are the advantages of blue‑titanium flat‑plate split solar water heater?
A: Blue‑titanium selective coating delivers high‑efficiency solar absorption. Flat‑panel concise appearance realizes building‑solar integration. Separated layout reduces rooftop load. Closed‑loop antifreeze system adapts to cold‑climate regions. Full‑pressurized tank provides stable shower pressure. No water inside flat‑plate panels, low leakage risk.
Q: Will system stop working in power‑cut situation?
A: Circulation pump stops without power supply, heat transfer is suspended. Backup power supply can be configured as optional solution.
Q: How much energy can this system save?
A: Under sufficient solar irradiation, solar energy covers 65‑82% of household hot‑water consumption, effectively cutting electricity and gas bills.
Final Conclusion
Split Blue Titanium Flat Plate Solar Collector Solar Water Heater with Pressurized Stainless Steel Water Tank is premium building‑adapted closed‑loop solar hot‑water solution. High‑efficiency blue‑titanium flat‑plate collectors feature modern appearance for architectural integration. Separated layout puts collectors on roof/balcony and pressurized stainless‑steel tank indoors, lowering rooftop‑load requirement. Antifreeze closed‑loop circulation adapts to cold‑climate conditions. Internal copper‑coil indirect heat‑exchange isolates drinking‑water from heat‑transfer fluid. Optional electric heating ensures stable 24‑hour domestic hot‑water supply. Actual performance depends on standard installation, correct antifreeze filling and regular maintenance.
