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evacuated tube

1. SABS,ONNCCE ,CoC(SGS),CCC ,ISO9001,ISO14001,ISO18001, 2. 7 to 10 labor days lead time, 3. we provide 5 years warranty - more info check here: http://www.sourcingappliances.com/evacuated-tube-30161567/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: MEIDA / OEM

Product Features:

1. SABS,ONNCCE ,CoC(SGS),CCC ,ISO9001,ISO14001,ISO18001

2. 7 to 10 labor days lead time

3. we provide 5 years warranty

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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Product Packagings & Delivery Terms:

Packaging Detail: standard carton

Delivery Detail: 7 to 10 labor days

Specifications and Product Details:

MODEL

ITEMS

GB(single target)

SG(three target)

Configuration

Double-layer concentric boronsillicate glass tubes

Double-layer concentric boronsillicate glass tubes

Glass thermal expansion coefficient3.3*10-6/°C3.3*10-6/°C3.3*10-6/°C3.3*10-6/°C
Diameter of outer tubeφ47±1mmφ58±1mmΦ47±1mmΦ58±1mm
Diameter of absorber tubeφ37±1mmφ47±1mmΦ37±1mmΦ47±1mm
Thickness1.5mm(±0.1mm)1.6mm(±0.1mm)1.5mm(±0.1mm)1.6mm(±0.1mm)
Transmittance of outer tube0.910.910.910.91
Length1500±5mm1800±5mm1500±5mm1800±5mm
Solar selective absorbing coatingAl-N/AlAl-N/AlAIN/AIN-SS/CuAIN/AIN-SS/Cu
Absorptance(AM1.5)≥0.89≥0.89≥0.92≥0.92
Emittance≤0.08(80°C)≤0.08(80°C)≤0.07(80°C)≤0.07(80°C)
VacuumP≤5*10-2PaP≤5*10-2PaP≤5*10-2PaP≤5*10-2Pa
Pressure-endure ability0.6mPa0.6mPa0.6mPa0.6mPa
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