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best guarantee solar vacuum tube - CD-

best guarantee solar vacuum tube, CE ISO9001, best price, best quality testing and quarantee - more info check here: //www.sourcingappliances.com/best-guarantee-solar-vacuum-tube-30164573/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: OEM Model Number: CD- color: dark blue /as customer's requirement coating: single target thickness: 1.6mm/2.0mm raw material: famous brand Li Nuo type: 58-1800/47-1800/47-1500/as your request layer structure: AL-ALN life: 15 years solar absorbing rate: 90%

Product Features:

best guarantee solar vacuum tube

CE ISO9001

best price

best quality testing and quarantee

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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best guarantee solar vacuum tube
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Product Packagings & Delivery Terms:

Packaging Detail: 8 pieces/carton, 9 pieces/carton,10 pieces/carton,12pieces/carton,15 pieces/carton18pieces/carton,20pieces/carton,24pieces/carton

Delivery Detail: In 7-15 working days after receiving the payment

Specifications and Product Details:

best guarantee solar vacuum tube

Structure

All-glass double-tube co-axial structure

Glass material

High borosilicate 3.3 glass

External pipe diameter and thickness

Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mm

Φ=70±0.7mm &=2.0mm

Internal pipe diameter and thickness

Φ=37±0.7mm &=1.6mm Φ=47±0.7mm &=1.6mm

Φ=58±0.7mm &=1.6mm

Pipe length

500mm 850mm 1200mm 1500mm 1600mm 1700mm 1800mm 1900mm 2000mm 2100mm

Absorptive coating property

StructureAL/AL-ALN(H)/AL-ALN(L)/ALN
Sediment methodSingle target magnetron sputtering plating
Specific absorption0.90~0.93(AM1.5)
Emission ratio0.05~0.075(80°C±5°C)

Vacuum tightness

5.0×10-3Pa

Idle sunning property parameters

220~260 m².°C /KW

Solar irradiation for obtaining a preset water temperature

H≤4.7MJ m²(Φ58)H=4.1~4.4 MJ/ m²
H≤3.7MJ/ m²(Φ47)H=3.1~3.4 MJ/ m²

Average heat loss coefficient

0.6~0.7W/(m².°C)

Resist Hailstone

Φ25mm

Resist cold

-30°C

Resist wind

30 m/s

Life aged

15 years
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