solar collector with heat pipe 1)keymark, EN12975, SRCC 2)Competitive Price 3)High ... via manifold, make up the solar collector. A heat pipe collector incorporates a special fluid which begins to vaporize ... offer the advantage that they work efficiently with high absorber temperatures and with low radiation.Key features of the Sunwe ... drop<5mbar(80L/h), 12mbar (150L/h) solar collector with heat pipe