Vacuum Tube Non-Pressure Direct Flow Solar Collector

Product Description

Vacuum Tube Non-Pressure Direct Flow Solar Collector
1. OEM availlable
2. Economical and efficient collector
3. For large quantity solar heating system
Features description:
The glass tube solar collector (nonpressurized) consists of glass vacuum tube, nonpressurized manifold and supporting bracket, working principle is thermosyphon the same as integrated non-pressurized system, water is heated directly in glass tubes, taking advantage of the natural circulation due to smaller density in hot water than cold water. Series or/and parallel arrays of solar collector is usually adopted for large-scale hot water heating project.
Key Specification:
1. Inner of manifold: SUS-304-2B stainless steel
2. Outer of manifold: Galvanized steel/ color steel
3. Bracket: Galvanized steel with electrostatic plastic coating;
4. Vacuum tube: High boron silicon glass with aluminum bloomed
5. Insulation layer: Polyurethane;
6. Package: Cartons with foam;
7. Angle: We will adjust it according to different countries' latitude.
1. Especially designed for large-scale hot water heating system, supplying hot water for dormitories, hotels, restaurants, schools, hospitals, factories, swimming pools, and some other sites requiring hot water use or house heating.
2. All-glass vacuum tube, most economical and good performance at the same time
3. Processed color steel shell and galvanized angle steel bracket make it a long lifespan as vacuum tubes
4. Easy installation and connection and little maintenance needed
Warranty: 3 years international responsibility for integrated collector exchange and 15 years for glass vacuum tube compensation due to original quality problems

Vacuum tube	Spec. (mm)	Φ 47× 1500 Φ 58× 1800
	Tube (pcs)	40 / 50 / 60 / 70
	Material	3.3 Borosilicate glass, magnetron spluttering coating
	Coating	AL/AL-ALN(H)/AL-ALN(L)/ALN or Cu/SS-ALN(H)/SS-ALN(L)/ALN
Manifold	Dimension	180*160mm, 1.0 inch inlet & outlet
	Inner tank	Food-grade SUS304-2B stainless steel
	Tank shell	Imported color steel / Fluorocarbon (PVDF) plate
	Insulation	High-density polyurethane integrated foam-forming layer
Bracket	3mm Galvanized angle steel plate with painting or baking process
Accessories	Stainless bolts & nuts, waterproof silicon rubber seal, dustproof rubber seal, plastic tube holder
Working pressure	≤ 1 bar
Tilt angle	0~ 90°
Hail resistance	Φ 25mm diameter

Installation types
Pitched roof, flat roof

Advantages and benefits
- Long operating life time but low in maintenance costs and repair requirements.
- Quick and easy installation.
- Short amortization rate.
- Customized product solutions.

Performance characteristics
- High energy yield and low heat loss due to the high vacuum of the evacuated tubes and PU insulation HFC245-FA.*
- High-quality stainless steel in the inner tank to continuously maintain a good water quality.

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