... tube solar collectors -- Keymark/EN-12975,SRCC,ISO,CE,CCC Feature: Working principle1) When the discrepant temperature of the solar collector and water ... anytime and enjoyable HEAT PIPE SOLAR COLLECTOR TECHNICAL DATAMANIFOLDManifold casing materialAnodized ... 0.06(800C±50C)Solar irradiation for obtaining a preset water temperatureΦ=58 H≤ ... 630.4210466/160 Vacuum tube solar collectors -- Keymark/EN-12975,SRCC ...