Solar Collector(open on both sides)

Looking forward to having business with you in the near future.

And the most important thing is that we can also provide products as your request. 

The current products mainly include:diameter:47/58/70mm;length:800/1200/1500/1600/1800/1900/2000/2100mm.

The evacuated tube with superconductive heat-pipe is the most advanced product in the world.

Long time warranty to 15 years.

Ideal heat collection efficiency in extreme cold water, with hot water available at a temperature of -30^oC.

High level vacuum ensure operation under cold weather. 

Can resist impact of hail:hailstone diameter 25mm.

Unique super pure copper surface, allowing lower reflection and minimal heat loss.

Starts up fast and collects solar energy fully. 

Stable advanced coating up to 380.

Presure-endure                          1Mpa

Stagnation temperature(height)    270~300

Transmittance of outer tube         0.91

Emittance                                  0.04~0.06

Absorptance                              0.94~0.96

Tube thickness                          1.6

Solar vacuum tube:
high solar-thermal conversion and low heat loss
ensure operation in winter
15 years' warranty for tubes