High Efficiency Vacuum Tube Solar Collector for Solar Water Heaters

Product Description

PRODUCT INFORMATIONS:
Vacuum tube solar collector is a new type of solar collector with higher efficiency, simpler installation and lower cost than traditional flat plate solar collector. It is widely used in solar central hot water engineering system. The collector consists of three parts: ground mounting bracket/all-glass vacuum collector tube/heat preservation tank.
The design of the vacuum tube solar collector is very flexible. It can be used to make the appropriate support and installation method according to the installation size of different building roofs.
Features:
1. Super anti-corrosive outer tank: Outer tank is made by 201# /SUS304 2B stainless steel.
2. Strong inner tank with SUS3042B stainless steel up to 0.41mm.
3. High efficiency vacuum absorber tubes.
4, Stainless steel mounting floor stand.
Specification
* 25-30tubes (vertical) / 50 tubes (horizontal) /
* Group manifolds sets (50 tubes X1/2/3/4/5...)
* Installation area need for each group: About 16M2
* Feeding water volume per set: 500-900L

Regular models specification
Model/Capacity	25	50	100	150	200
Vacuum tube	Φ58*1800 high efficiency collector vacuum tubes
Vacuum tubes quantity	25PCS	50PCS	100PCS	150PCS	200PCS
Mounted direction	Vertical	Horizontal
Installation size need for ground	2X1.65	3.8X1.85	3.8X4.2	3.8X6.2	3.8X8.2
Manifold inside material	SUS304 2B / 316L (Optional)
Manifold Outer cover	Stainless steel / Colorful painted steel
Insulation	High density polyurethane foam (Non-CFC)
Ground stand	All stainless steel stand

Specification of vacuum tube
Structure	All-glass double-tube co-axial structure
Glass Material	High borosilicate glass 3.3
External Pipe Diameter & Thickness	Ø=58±0.7mm&=1.6mm,
Internal Pipe Diameter & Thickness	Ø=47±0.7mm &=1.6mm,
Pipe Length	1800mm
Coating Layers	Cu/SS-ALN (H)/SS-ALN (L)/ALN
Coating Method	Three target magnetron sputtering plation
Specific Absorption	as=0.93~0.96(AM1.5)
Emission Ratio	Σh=0.04~0.06(80°C±5°C)
Vacuum Tightness	P≤5.0×10-3Pa
Idle Sunning Property Parameters	Y= 260 ~ 300m². °C/KW
Solar Radiation for Obtaining a	H≤3.7 MJ/ m²(Ø47), H=2.9~3.2 MJ/ m²;
Preset Water Temperature	H≤4.7 MJ/ m²(Ø58), H=3.7~4.2 MJ/ m².
Average Heat Loss Coefficient	ULT=0.4~0.6W/ (m². °C)

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