Flexible high grade stainless steel tube 316l or 304.
Copper pipe solar water heater.
Maximum pressure up to 17 5 bar rated burst pressure 200 bar 1050 high temperature annealing heat treatment food grade.
Resembles corrugated flexible stainless steel pipe used in gas lines it has recently found its way into solar water heating application.
These pages cover an experimental solar collector for heating water that uses aluminum heat absorbing fins and copper pipes for conveying the heat transfer fluid.