Purple Golden Glass Vacuum Tube
Purple Golden Glass Vacuum Tube
Special purple golden tube will attract more customers to be interested in solar and become the user of solar hot water system .
Item:export to Turkey 47/1800 purple golden glass vacuum tube
Company Strength : 10 years experence in solar tubes production ,with 10 production lines ,100 workers ,best quality control .
Partner : looking for partner of solar water tank factory from Turkey ,Jordan, Lebanon,Middle east , India, South East Asia Mexico, Brazil, South Africa ,Amercia ,Europe
Service : 1.OEM ( put your layser logo on tube .print logo on the carton )
2. arranging shipping for you . place the ship ,track the ship ,and inform the goods location. .Help you to clear import
3.Track the goods production for you .
4. check the best quality for you .
Package : 10/15/18/20/24pcs /box
Container loading Quanitity : 20 feet :4500pcs 40HQ :10000 pcs
Minimum order : 100 pcs
Sea Port: Shanghai ,Ning bo
Payment : 30% T/T bank transfer before the production
70% T/T after the customer get the scan copy of Bill of lading to make sure that your goods is on the ship ( on the way to you )
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=14&cad=rja&ved=0CD8QFjADOAo&url=http%3A%2F%2Fwww.sanneng-solar.com%2Fpurple-golden-solar-vacuum-tube.html&ei=ysJiUMCAC6ihigf2hYGABw&usg=AFQjCNE9TbQLkCDy5rRcjZZ64Ca9rc1r8g
Specification of the purple golden glass vacuum tube:
| Strucure | All-glass double-layer coaxial | |
| Tube material | High quality borosilicate glass 3.3 | |
| Outer tube diameter and thickness | Φ=47±0.7mm & =1.6mm | |
| Inter tube diameter and thickness | Φ=37±0.7mm & =1.6mm | |
| Tube length | 1500mm | |
| Absorptive coating | Structure | AL/ALN |
| Sediment method | Magnetron sputtering plating | |
| Absorptance | a=0.88-0.92(AM1.5) | |
| Emittance ratio | Σn:=0.04-0.08(80) | |
| Vacuum quality | p ≤ 5.0 × 10-2 Pa | |
| Stagnation parameter | Y=250-260M2. /kw | |
| Solar irradiation under stagnation | Φ47 H≤3.7MJ/m2, Φ58≤4.7MJ/m2 | |
| Average heat loss coefficient | ULT=0.78W(m2.) | |
| Lifetime | >15years | |
| Hail resistance | Φ25mm/Φ40mm | |
Contact : If you need more information for the tube quality , price ,package photo , tube production , or other question , welcome to contact us.
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