Product Description: Model Quantity The number of tube diameter pipe L absorption area (square meters) per 20GP South --58--3030 diameter of 58 mm 1.8 m 2.4 60 Case Material stainless steel manifold aluminum Alloy/304 1.2mm 304 stainless steel frame material 99.93% pure copper tube and the first 45% of lead-free silver brazing Compressed glass wool insulation - K = 0.043W/mK Nature Solar Energy CO., Ltd.is specialized in producing Solar collector with heat pipe, flat panel solar,solar system,SHCMV tubes and Solar Parts and their accessories. |