Haining Sanneng Solar Water Heater Co., Ltd.: Jiaxing, Zhejiang, China; Main products: Solar water heater systemSolar water heater, Solar collector, Solar air conditioner, Air conditioner assemblyNo more than 0.1 MPa, 100 degree centigrade

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2015 Solar energy heat pipe tube ( manufactory & factory )

FOB Price

US$ 4 - 6 / Piece

100 Pieces(Min. Order)

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Product Details

Solar energy heat pipe tube ( manufactory & factory )

size:

* 47mmx1500mm

* 47mmx1800mm

* 58mmx1800mm

composition: borax and silica glass

Three-high vacuum tube technology:

Dimension	Φ47	Φ58
Material of Tube	3.3 High Boron Silicon	3.3 High Boron Silicon
Glass Expansion Ratio	3.3±0.1×10^-6K^-1	3.3±0.1×10^-6K^-1
Outer Diameter of Tube	Φ47±0.7	Φ58±0.7
Inner Diameter of Tube	Φ37±0.7	Φ48±0.7
Thickness of Glass	1.6±0.15	1.6±0.15
Transmittance	≥0.89	≥0.89
Selective Coating	SS-CU-AL-N/AL	SS-CU-AL-N/AL
Absorptivity	≥0.86(AM1.5)	≥0.86(AM1.5)
Emissivity	≤0.080(80±5)	≤0.080(80±5)
Vacuum Degree	≤5.0×10^-3Pa	≤5.0×10^-3Pa
Collecting Performance Parameter under Sunshine	≥190m²/kw	≥190m²/kw
Hailstone Resistance	25mm	25mm

Starts up fast and collects solar energy fully.

Unique super pure copper surface, allowing lower reflection and minimal heat loss.

High level vacuum ensure operation under cold weather.

Long time warranty to 15 years.

Looking forward to having business with you in the near future!

Haining Sanneng Solar Water Heater Co., Ltd.: Contact namejunjie Wang
Chat Now; Phone0086-573-87881860; AddressLong industrial park, Jiaxing, Zhejiang

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