... OEM availabl 4.Safe reliablity Super Heat Pipe, solar heat pipe, heat pipe, solar collector Super Heat Pipe Features: Characteristics:1) ... feature and efficiency,3) The pipe is used popularly in solar industry.4) High heat conduction coefficient: It is 2000 ... 2 meter long pipe.Super Heat Pipe, solar heat pipe, heat pipe, solar collector ProductTypeTypewall thicknessHorizontal pipeφ14mm 0.7mmGravity pipe ...