All Glass Vacuum Tube Solar Hot Water Heater

TypeSPP Outer Tank MaterialGalvanized plateOuter Tank Diameter460mm,470mm, 500mmInner Tank MaterialFood grade SUS304 2B stainless steel plate or 316L stainless steelInner Tank Diameter360mm, 380mmTube MaterialHigh quality borosilicate glassVacuum Tube Size(mm)58/1800 (diameter/length)Tube Number8/10/12/15/18/20/24/30/32/36/40Frames (Stand Parts)Galvanized plateInsulation LayerHigh quality polyurethane foam made by advanced high pressure foam machineInsulation Thickness50mm,(outer tank 460mm),55mm(outer tank 470mm), 60mm(outer tank 500mm)Hail Resistance25mmOperation Pressure0.05MpaStandard QualifiedCE, CCC,Solar Keymark EN12976, SABSOur advantages:Our products process:  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1