Product Name: Vacuum Tube Solar Collector with Solar Keymark Model NO.: SCM10-58/1800-02 Pipe Material: Copper Application: Water Heater, Solar Thermal Type: Pressurized Working Temperature Range: High Temperature Concentrating: Yes Certification: ISO, En12975, Solar Keymark Insulation Material: Glass Fiber Manifold Exterior: Anodized Aluminum Alloy Manifold Interior: Red Copper Heat Pipe Material: Tu1 Copper Heat Pipe Condenser Diameter: 14mm Manifold Header Pipe Outer Diameter: 35mm Efficiency: 0.685 frame: Zinc Steel Working Pressure: 6bar Anti-Freezing: -35 Centigrade Degree Trademark: SUNTASK Transport Package: Standard Carton Box or Wooden Box or Wooden Pallet Specification: SCM10, 12, 15, 20, 25, 30-58/1800-02 Origin: China HS Code: 8419191000 Product Description Key SpecificationLatest solar keymark list:SCM12-58/1800-02,SCM15-58/1800-02,SCM20-58/1800-02,SCM25-58/1800-02,SCM30-58/1800-02Specifications:1) Water tank (interior): SUS304-2B food grade stainless steel2) manifold : aluminumalloy3) Glass tube: new trivalent element heat tube4) solar working station5) Steel tube dimensions: 58mm x 1.8m, 47mm x 1.5m6) Water capacity: 150L, 200L, 300L,500L7) Pressure: 6 barManifold(exterior):aluminum alloyGlass tube dimensions:58mmX1.8m/58mmX0.85mDaily efficiency:>55%Hail resistance:25mmMax pressure:12BarCoating of vacuum tube:ALN/AIN-SS/CUHeat pipe:anti-freezing>-35CSpecifications:1) Water tank (interior): SUS304-2B food grade stainless steel2) manifold : aluminumalloy3) Glass tube: new trivalent element heat tube4) solar working station5) Steel tube dimensions: 58mm x 1.8m, 47mm x 1.5m6) Water capacity: 150L, 200L, 300L,500L7) Pressure: 6 barManifold(exterior):aluminum alloyGlass tube dimensions:58mmX1.8m/58mmX0.85mDaily efficiency:>55%Hail resistance:25mmMax pressure:12BarCoating of vacuum tube:ALN/AIN-SS/CUHeat pipe:anti-freezing>-35CSolar keymark certificate types:SCM12-58/1800SCM15-58/1800SCM20-58/1800New Solar Keymark and SRCC certificate types:SR10-58/1800SR15-58/1800SR20-58/1800SR30-58/1800New Solar Keymark types:SCM10-58/1800-02SCM15-58/1800-02SCM20-58/1800-02SCM30-58/1800-02