Most drain systems use rigid pipes fairly large in diameter. You can’t flex them ... Though a mission coupling costs more ...

[Christophe Machet] undertook his “Pipeline Project” specifically to explore what can be made from large-diameter PVC pipe, of the type commonly used for sewers and other drains. It’s ...

P/L 02: PVC Schedule 80 (Large Diameter) Fittings Material: PVC Type I Gray (Cell Classification 12454-B) Meets ASTM D-2467 (Socket) (up to 12 ) and ASTM D-2464 (Threaded) (up to 6 ) Not all of the ...