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Evacuated Tube Solar Thermal Collector

Collector Description
VISION vacuum tube solar collector incorporates a number of high efficiency all-glass tubes, low pressure header manifold and supporting bracket.
VISION vacuum tube solar collector is specially designed for active open loop heating systems, in which the water is heated directly inside tubes and stored in a separated tank;
The solar collectors are usually connected together in series and parallel to form large-scale heating systems, supplying hot water for hotels, factories, hospitals, schools, swimming pools, room or floor heating applications.
Main Features
1. Most economical collector for water heating;
2. Wide heating applications for water and house;
3. Large heating capacity from 500 to 100,000 liter;
4. Efficient direct hot water heating with big flow rate;
5. Strong adaptability to flat or slope roof installations;
6. Easy installation and connection with separated parts;
7. With anti-freezing protection it works well in -20℃ weather;
8. Applicable to active open loop system or thermo siphon system;

Technical Parameters:
All-glass Vacuum Tube | Tube Type | Single-target tube; Three-target tube; Super heat tube | |||||
Glass Material | Double layer borosilicate 3.3 glass with high vacuum | ||||||
Coating Layer | Single-target AL/AL-ALN(H) or three-target Cu/SS-ALN | ||||||
Manifold | Manifold Shape | Rectangular or Round shape available | |||||
Manifold tank | Food-grade stainless steel SUS304-2B / SUS316 | ||||||
Manifold shell | Painted color steel (Stainless steel available) | ||||||
Insulation | High-density polyurethane foaming 40MM thickness | ||||||
Bracket | Shaped strong stainless steel structure adaptable to flat or tilt roof | ||||||
Accessories | Anti-aging silicon seal, dustproof seal, silicon connecting pipe | ||||||
Inlet Outlet | Male threaded 1"; 1 1/4"; 1 1/2"; 2" | ||||||
Tilt Angle | 15°; 25°; 38°; 45° | ||||||
Hail Resistance | Φ25 MM | ||||||
Mode | Solar Vacuum Tube | Aperture Area /M2 | Collector Size L*W /MM | Container Loading Qty /Sets | |||
Qty /Pcs | Size /MM | 20GP | 40HQ | ||||
VNC-CA15 | 15 | Φ58*1800 | 1.41 | 1250*2025 | 100 | 243 | |
VNC-CA20 | 20 | Φ58*1800 | 1.89 | 1625*2025 | 88 | 213 | |
VNC-CA25 | 25 | Φ58*1800 | 2.36 | 2000*2025 | 70 | 170 | |
VNC-CA30 | 30 | Φ58*1800 | 2.83 | 2375*2025 | 57 | 139 | |
VNC-CA40 | 40 | Φ58*1800 | 3.77 | 3710*1625 | 42 | 107 | |
VNC-CA50 | 50 | Φ58*1800 | 4.71 | 3710*2000 | 34 | 86 | |
VNC-CA60 | 60 | Φ58*1800 | 5.66 | 3710*2375 | 28 | 71 | |
Remarks:
Customized order is available for VISION solar collectors size and connections, frame structure and color, etc;
VISION stuffs will suggest the most appropriate collector size according to your hot water and heating requirements;










| Q: How to use in cloudy or rainy days? |
A: We could connect electric heater, gas heater or other boilers for bakup heating; |
| Q: Freezing problem in solar water heater? |
| A: Never, when snow more than 5 days electric heating will start to protect system; |
Q: Lead time for production? |
| A: Within 7 days for full container orders; |
| Q: Minimum order quantity? |
| A: 1 set for each model of VISION solar water heaters and solar collectors; |
Q: Payment term and methods? |
A: 30% deposit & 70% balance at sight of B/L copy. Via T/T transfer, sight L/C, Western Union, MoneyGram, Paypal, etc; |
| Q: Warranty period? |
| A: 10 years for VISION solar water heaters and solar collectors upon bill of lading date; |
| Q: Accept Alibaba trade assurance order? |
| A: Yes, in this way Alibaba will guarantee your payment, product quality and delivery; |
| Q: Accept OEM production? |
| A: Yes, offer to make customized logo on solar products and packing cartons. |
| Q: Working as a VISION dealer? |
| A: We welcome abroad customers to work with us as a VISION dealer for agreed countries and areas. |


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