... 2) Colors: white, gray, green, Dimensions:20 - 63mM 4) customers' logo are accepted 1, Size: DN20-63mm2, Big and Experienced Factories produced ... -2002,GB/T18742.3-2002,GB/T13663-2000,GB/T5836.1-2006,DIN8077, DIN80788,Applications: Cold or hot water supply, heating ... CelsiusHeat Preservation: low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe10. Non-toxic: no heavy ...