solar keymark collector

Material:

Header tube: seamless copper TU1, 22×δ1.2mm

Flowing passage: high quality rose copper

Outer manifold: aluminum alloy, δ2.0mm

Bracket: aluminum alloy, δ1.6mm

Insulation: polyurethane frothing, δ40-50mm

Vacuum tube: tri-elements coating, copper heat pipe inside, 58×1800mm

Copper heat pipe: δ0.6mm

Logo: OEM sticker

Specification: 15/20/25/30 tubes

Capacity: 150/200/250/300L (G=1000W/m2)

Thickness:

Flowing passage: 1.2mm

Heat pipe: 0.8mm

Bracket: 1.6mm

Heat insulation layer: 50mm

Principle:

Solar thermal collector (by vacuum tube with copper heat pipe inside or flat panel) gathers heat energy from sunshine and transfers to cold water inside of tank via copper coiler exchanger. There is frost proof liquid in heat pipe and whole system pipeline which flew by circulation pump.

solar keymark collector