High Pressurized Solar Water Heater (SPP470-58/1800-24)

1. inner tank SUS304 2B stainless steel. 1.2mm thick. argon arc welding 2. outer tank stainless steel. 0.4mm thick. 3. frame: stainless steel. 4. insulation: 55mm thick polyurethane. 5. thermal conductivity: 0.022w/m.k 6. glass vacuum tubes: three target with coating CU/AL/STAINELSS STEEL.                                       Whole vacuum tube adopts super borax and silica glass.Absorbrate≥96%,thermal radiationrate≤4%.Resist25mmhail,usinglifelasts15years.                                       with heatpipe. 7. working pressure: 6 bars. 8. testing pressure: 9 bars. It has some advantages of no water in tube, no filthy, no broken tube, anti-freeze, unlimited time of the inputting water and pressure operation.    9. tilt angel: optional 20 degree to 45 degree. 10. Daily efficiency:>50%  11.Heat loss coefficient:10W/ m2   OEM SERVICE         we are a professional manufacturer       Our 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