Solar collector with our unique design and solar keymark certificate
normal tube quantity:20tubes and 30tubes.
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
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Technical date of heat pipe solar collector with solar keymark certificate
1.Manifold box:Aluminum alloy 1.8mm with black power painting.
2.Manifold pipe:cooper tube with 1mm thickness.
3.Vacuume tube:twin-glass with (three-target) selective absoption coating.
4.Heat pipe:cooper with 0.7mm thickness.
5.Freeze resistance:below 35 or more.
6.Tube holder:First-class Nylon66.
7.Permissible Wind:30m/s.
8.Snow load:30cm.
9.Working pressure:0.6mpa,testing pressure:0.9mpa.
10.Effeciency:65.4%-76.2%.