Inner tank is 1.2mm SUS 304 2B/316L stainless steel
Outer tank is galvanized steel or SUS 304 2B stainless steel
Sus316l or 3042b food grade stainless steel LED by argon arc,
Insulation: 50 to 60mm import polyurethane integral foaming, superior heat preservation
Superior water quality and drinkable
With non coil / one coil / two coils / three coils
Capacity: From 100L-750L.
Max pressure: 6 bars-10bars