Model Number: SD-G-2-4 Brand Name: SIDITE Key Specifications/Special Features: Specifications: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 4

Service life: 15 years

Diameter: 58 and 47mm

Lens: 1800 and 1500mm

Tank:

• Outer/inner diameter: 470 or 360 and 420 or 310mm
• Outer tank: colored steel plate
• Inner 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

Can produce according to customer's designated requirementsAdvantages:

• CCC-, CE-, ISO 9001- and 14001-certified
• Efficient heat insulation
• Installation: flat/declining roof bracket