General all-glass vacuum tube-a of the solar water heater(Heat pipe/ purple gold tube)

Specifications

1)all glass hard borosilicate :3.3 
2)high efficient selective absorption coating: SS-C/CU &AL/N

3)size of vacuum tube:47*1500mm ,47*1800mm,58*1500mm,58*1800mm,70*2100mm

the concrete specification as follows:

Model:SFV-T47/1500,SFV-T47/1800, SFV-T58/1500,SFV-T58/2000 SFV-T70/2100

Specification:

1)      Glass material: Borosillicate glass 3.3

2)      Glass thickness:1.6mm

3)      Absorption coefficient more than90%(92%)

4)      Aborbtive coating:SS-C/CU&A;/N

5)      Emission coefficient :less10%(8%)

6)      Vacuum:less than 5*10-2 Pa

7)      Stagnation temperature: mor than220 Celsius

8)      Hail resistance:25mm

9)      Freezing resistance:-35 Celsius

Fast response: Your inquiry will be replied within 24 hours via e-mail or online messenger;

Technical support: You have more than 10 years experience from SANENG SOLAR for product suggestion, installation guidance, market analysis, etc.

OEM & ODM: We welcome OEM & ODM requirements for solar collector, storage tank,
installation frame, and even for some outsourcing equipments;

Sample checking: In spite of quality control in production, samples will be selected and
installed to check prior to delivery;

Minimum order quantity: We offer sample sample manufacturing for customers to check
quality and service;

Shipping service: SANENG company offers to arrange goods shipment to abroad ocean port
or inland site, and if necessary to make goods insurance, customs clearance, etc;

Import certificates: SANENG company offers to make Certificate Origin CO, FORM A, FORM E, FORM F, customs certification, etc