Material: carbon steel board with boracic silica planting or enamel
Inner tank:
Materials: stainless steel and porcelain (optional)
Thickness: 2mm
Maximum pressure: 10 bars
Outer tank:
Material: galvanized steel alloy
Thickness: 0.4mm
Temperature insulation: imported polyurethane
With assistant electrical heater and pressure reducing valve accessories
Solar vacuum tube with straight copper heat pipe
Tri-element solar vacuum tube, heat absorption efficiency can reach more than 93%
Straight copper heat pipe in vacuum tube with anti-freeze liquid as heat transferring tube can never break because cold water does not come into tube immediately
Control system:
Includes circulation pump, controller, pressure gauge, flow meter, anti-returning valve, expansion jar, support frame and other connection accessories
Automatic control for electrical heater and high temperature protection
Thickness: 50mm for maximum 72 hours conservation
Without copper coiler, 1 and 2 copper coiler in tank (optional)
Diameter: 58mm
Length: 1,800mm, 15, 20, 25 and 30 pieces of tube (optional)
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