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Solar Water Heater Tube - 58-1800mm, 47-1500mm

Solar Water Heater Tube, Material: vacuum tube solar collector, Eliminate the heat loss of the gas convection and conduction - more info check here: http://www.sourcingappliances.com/Solar-Water-Heater-Tube-10043711/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: MSHC & OEM Model Number: 58-1800mm, 47-1500mm

Product Features:

Solar Water Heater Tube

Material: vacuum tube solar collector

Eliminate the heat loss of the gas convection and conduction

Business Terms:

Price Terms:FOB,CIF,EXW

Payment Terms: T/T,Western Union,MoneyGram,L/C

Minimum Order: Negotiatable

Delivery Port: Customized

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Solar Water Heater Tube
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Product Packagings & Delivery Terms:

Packaging Detail: Packed with paper carton outside, foam is put between paper carton and tubes or as your request.

Delivery Detail: 15 days after conforming products

Specifications and Product Details:

Solar Water Heater Tube uses vacuum tube solar collector to eliminate the heat loss of the gas convection and conduction, and the application of selective absorbing coating makes the radiation heat loss down to the minimum. It structures pressure well and can work in high temperature.

Glass Material: High borosilicate 3.3 glass

Structure: All-glass double-tube co-axial structure

External pipe diameter: D=47±0.7mm

D=58±0.7mm

Internal pipe diameter: D=37±0.7mm

D=47±0.7mm

Thickness of vacuum tube: 1.6mm / 1.8mm

Cover glass tube transmittancy: 0.91

Solar selective surface coating sputtering gradient: Al-N / Al

Solar absorption ratio(AM1.5): 0.93

Emission ratio(80°C): 0.06

Sun exposure temperature: ≥200°C

Anti-hail capability:No damage from D25mm hail impact

Coefficient of thermal expansion of glass: 3.3×10-6/°C

Heat loss coefficient: ≤0.90W( m2.°C) / ≤0.85W( m2.°C) / ≤0.80W( m2.°C)

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