STS is an escrow service that protects both buyers and suppliers. Funds are held securely by Made-in-China.com until order terms (e.g., delivery, quality) are fulfilled
| Customization: | Available |
|---|---|
| After-sales Service: | Overseas Call Centers, Free Spare Parts |
| Warranty: | 3 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Vacuum tube: Hail-resisting borosilicate glass with high-tech selective coating ensures an efficient solar collecting, tri-target vacuum tube with its patent interference coating makes the efficiency not only improved by 12% but also with a high temperature resistantce (380oC).
| Vacuum tube | Spec. (mm) | Φ 47× 1500 Φ 58× 1800 |
| Tube (pcs) | 15 / 16 / 18 / 20 / 24 / 30 / 36 | |
| Material | Borosilicate glass, magnetron spluttering selective coating | |
| Coating | AL/AL-ALN(H)/AL-ALN(L)/ALN or Cu/SS-ALN(H)/SS-ALN(L)/ALN | |
| Water tank | Capacity | 100 ~ 500L for inner water tank |
| Inner tank | Food-grade stainless steel SUS304-2B | |
| Insulation | Imported polyurethane integrated foam-forming 50~60mm | |
| Tank shell | Silver PVDF plate | |
| Bracket | Spec. (mm) | 1.2 ~ 1.5mm in thickness |
| Material | Hot-dip galvanized steel plate | |
| Accessories | Stainless bolts & nuts, Silicon rubber seal, Dustproof rubber seal, Plastic pipe holder | |
| Optional device | Electrical heater, Intelligent controller / Assistant tank, Anod magnesium bar | |
| Tilt angle | 25° ~ 50° | |
| Water output | 45-95 o C | |
| Hail resistance | Φ 25mm | |
){kind=link}