Солнечный подогреватель предварительного подогревом воды под давлением

With high quality vacuum tubes as solar collector, absorption percentage 91-94%.Very easy to install on the roof. Water tank housing is made of stainless steel for galvanized steel with spray-paint, looks beautiful and substantial.Inner water tank is made of food grade stainless steel 304, welded argon are. Water is clean and drinkable.The copper coil in water tank makes the heating transfer more effective and pressurized.Working pressure: 0.6MWarm keeper of water tanks are polyurethane frothed, thickness 40-60mm, there is pressure in the copper coil, but not in the water tank.High quality stainless steel (or galvanized steel with spray-paint) brackets are strong and windproof, firm and stable, easy to install.Tube quantity is optional, from 24 tubes to 30 tubes. Material: 1. Inner tank: SUS304, 0.31-0.8mm thickness; 2. Outer tank: SUS304, SUS202, Colored steel, 0.31-0.6mm thickness: 3. Copper coil: Diameter 12mm, 0.65mm thickness; Item No.: JH-NP 47 series (Tubes size: diameter 47mm and length 1500mm) Technical Parameter: Modelvacuum tube QtyCapacity for water tankLighted AreaBath(pcs)(L)(m2)(people/day)JH-PP 47-24241802.544-5JH-PP 47-30302003.185-6 Item No.: JH-NP 58 series (Tubes size: diameter 58mm and length 1800mm) Technical Parameter: Modelvacuum tube QtyCapacity for water tankLighted AreaBath(pcs)(L)(m2)(people/day)JH-PP 58-24242503.745-6JH-PP 58-30303004.686-7 Other type: