Aluminum-Plastic Composite Pipe with high quality and best prices.! APHON brand Pe-al-pe composite pipe,multilayer pipe, aluminium plastic pipe, pipe for cold water, astm f1282 pe-al-pe composite pipe (overlap welded). Main size. 0912(3/8"). 1216 (1/2"). 1620 (5/8"). 2025 (3/4"). 2632 (1"). 3240 (11/4"). 4150 (11/2"). 5163 (2"). 6075(21/2"). Welding way:. Overlap / butt. Related standard. Gb/t ...