Ecvv Trade
Haining Huafeng Solar Collector Tube Co.

China Manufacturer with main products: Solar Vacuum Tube, Three Target Vacuum Tube, Heat Pipe Vacuum Tube, Solar Water Heater

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heat pipe vacuum tube

FOB Price: 2.00 - 6.00 USD/Piece
Supply Ability: 3,000 Piece/Pieces per Month
Shipping: delivery in 10-20 days from shanghai or ningbo part
Payment Terms: L/C, T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China

Specifications

Structure
All-glass double-tube co-axial structure
Glass material
High borosilicate 3.3 glass
External pipe diameter and thickness
dia.=47±0.7mm &=1.6mm
dia.=58±0.7mm &=1.6mm
dia.=70±0.7mm &=0.2mm
Internal pipe diameter and thickness
dia.=37±0.7mm &=1.6mm
dia.=47±0.7mm &=1.6mm 
dia.=58±0.7mm &=1.6mm
Pipe length
1500 1600 1700 1800 1900 2000 2100mm
Absorptive coating property
Structure
Cu/ss-aln(h)/ss-aln(L)/aln
Sediment method
3 target magnerton sputtering plating
Specific absorption
as=0.90~0.93(AM1.5)
Emission ratio
0.05~0.075 (80℃±5℃)
Vacuum tightness
P≤5.0×10-³Pa
Idle sunning property parameters
Y=260~300㎡℃/KW
Solar irradiation for obtaining a preset water temperature
H≤4.7MJ/㎡
H=3.7~4.2MJ/㎡
H≤3.7MJ/㎡
H=2.9~3.2MJ/㎡
Average heat loss coefficient
Ult=0.4~0.6W/(㎡℃)
       
Starts up fasy and collects solar energy full.
Unique super pure copper surface, allowing lower reflection and minimal heat loss.
High level vacuum ensure operation under cold weather.
Hoping doing business with you in future.

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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