Structure

Dual concentric geometry tube

Material of glass

hard borosilicate:3.3

Diameter and thickness of outer tube

Ø70±0.5mm&1.8mm

Diameter and thickness of inner tube

Ø58±0.5mm&1.6mm

Length of vacuum tube

1800mm(±mm)

Properties of absorptive coating

Coating method

selective absorptive sputtering coating:

SS-C/cu & AL/N

Transmissivity t≥ 0.89(AM1.5)

                      0.913

Absorptance α≥ 0.86(AM1.5)

0.930

Emissivity  εh≤0.080(30degree±5degree)

0.026

Pressure of vacuum tube   p≤5×10-2 Pa

5×10-3Pa

Stagnation parameter Y>250sqm·degree/kW

246.3

Solar radiance   H<4.7MJ/sqm

4.59

Average heat loss coefficient: ULT<0.8W(sqm·degree)

0.721

Lifetime

10 years

A-sun solar energy company Info

Company name

HAINING XIANKE SOLAR ENERGY TECHNOLOGY CO.,LTD

Brand name

A-sun brand for Foreign markets

Contact

Ms Shadow Zhang

Sales manager 

Skype: shadow.zhang2

Mobile: 0086-136 5660 9288

Tel: 0086-573-87872882;0086-573-87817298 

Brief Info

Haining Xianke Solar Energy Technology CO.,LTD, 

which was established in 2000, is a leading manufacturer 

of solar water heater. Our company locates in northeast

 of Zhejiang Province, China, and takes the advantage

 of the vicinal seaport as Shanghai and Ningbo.
Our main product is solar water heater,including

 “Non-pressure” type, “Integrated-pressurized” type,

 “Separated-pressurized” type, “Pressure Solar Collector” 

and“Non-pressure Solar Collector”.

Staff

100 workers

R&D

1 Engineer and 2 Engineer assistant ;1 Designer

Main Markets

especially to Wertern Europe, South Korea ,Brazil,Middle Eastand,Southest Asia and so on.

Work Area

Our factory is about 30,000 square meter

Capacity

100,000sets per year.

Quality 

passed the certification of ISO,CE,CCC,SOLAR KEYMARK,SRCC."Top ten brand" in china.

Production valve

50 million RMB during 2012.

More Info

Payment:30%T/T in advance,70% against the copy of B/L;

 L/C at sight.
Delivert time:3days for sample;10days for container
Guarantee period: 1 year for accessory,3 years for the water tank,

5 years for frame.