Heat pipe vacuum tube

This tube is for pressure solar system, water will not inside tube, and heat faster than normal tube.

Glass tube dimension: 58*1800mm

Heat pipe dimension: 8(14-70)x0.7mmx1700FS/8(24-70)x0.7mmx1700FS/8(14-80)x0.7mmx1700FS/8

Aluminum fin: 1620mm length

Freeze resistance: <-35℃

Hail resistance: 25mm

Coating of vacuum tube: ALN-SS-CU