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Buy Lead: solar evacuated tube solar tubes (See details)

Please tell me the aperture (effective area) of a 25 tube manifold
Using larger 58*2100mm tubes
also on Using larger 70*2100mm >> More queries...

Posted By: Nigel Tegg on August 20, 2021 41:08 From 31.185.53.***Inquiry Related Cateogry:

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Inquering Related Product: solar evacuated tube solar tubes - 58*1800mm

Quick Brief

Type: Solar Water Heater PartsPlace of Origin: Zhejiang China (Mainland)Brand Name: AJ
Model Number: 58*1800mmsolar tubes: solar tubes 

Product Features:

solar tubes

high cold resistence

high heat resistence

fast thermal

low emission

Product Cateogry:

Business Term:

Port: Shanghai/Ningbo

Minimum Order Quantity: 1000 Piece/Pieces

Supply Ability: 10000 Piece/Pieces per Day

Payment Terms: L/C,T/T

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solar evacuated tube solar tubes

Packaging Information

Packaging Detail:export carton with foam
Delivery Detail:7 days

Specifications and Product Details:

Original Product Page

solar tubes


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

1200mm 1500mm 1600mm 1800mm 2000mm 2100mm

Absorption coating property


Sediment method3 target magnetron sputtering plating
Specific absorption0.93~0.96
Emission ratio0.04~0.06

Vacuum tightness


Idle sunning property parameters


Solar irradiation for obtaining a preset water tempereture


Average heat loss coefficient


Resist hailstone


Resist cold

minus 30 degree

Resist wind


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