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Three-channel vacuum pipe - 47-1500mm 58-1800mm

Material: Glass, Model: 58-1800mm, Weight: over 2.0kgs/pc, Model: 47-1500mm, Weight: over 1.5kgs/pc, Max Temp. 200 degrees - more info check here: http://www.sourcingappliances.com/Three-channel-vacuum-pipe-10047080/

Quick Brief

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

Product Features:

Material: Glass

Model: 58-1800mm, Weight: over 2.0kgs/pc

Model: 47-1500mm, Weight: over 1.5kgs/pc

Max Temp. 200 degrees

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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Three-channel vacuum pipe
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Product Packagings & Delivery Terms:

Packaging Detail: Our usual package is foam inside and caton outside, or as your request is also OK

Delivery Detail: 10-15 days after PO

Specifications and Product Details:

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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