Solar keymark SRCC certificate SPF approved heat pipe solar collector

New UV resistant clip-in-cups for effortless installation and protection of glass tubes
Solar Keymark and SRCC Certificates
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%.