Model Number: SD-G-2-2 Brand Name: SIDITE Key Specifications/Special Features: Vacuum tube:Evacuated tube: tri-elementHigh boron and silicone contentStructure: gradual change SS-AL-Nx/Cu selective absorption coatingVacuum degree: P≤5 x 10 to 4Service life: 15 years

Diameter: 58 and 47mm

Lens: 1800 and 1500mm

Tank:

• Outer/inner diameter: 470 or 360 and 420 or 310mm
• Outer tank: color steel plateInner tank, stainless steel 3042B
• Heat insulating layer: 55mm thickness polyurethane foam

Frame:

• Frame material: stainless steel 304 BA/2B
• Electric heater: 1.5 to 3kW

Customized requirements are accepted
Certifications: CCC, CE, ISO 9001 and 14001
Efficient heat insulationInstallation: flat/declining roof bracket