Corrugated metal pipe (cmp) : Protecting against erosion while moving water through ditches is the purpose our end sections serve. How To Flared Pvc Pipe Pvc Fitting Factory Special designed sections are available for large pipe diameters upon. Flared end section for pvc pipe . Requirements the ads flared end section shall be high density polyethylene meeting astm d3350 minimum cell Schedule 40 pvc & fittings. Here is a tutorial for flaring schedule 40 pvc pipe. These sections are available from 12” dia. Hdpe corrugated pipe flared end section. Our prefabricated, flared design is hydraulically efficient, reduces soil erosion and easily blends into the finished slope. Pvc storm drain pipe and fittings. I bought some 3 by 10' sections of pvc drain pipe for my yard that were flared on one end so two or more pipes can be connected in succession without couplings. Other pipes that are not flared can be flared to eliminate the need for a connector or fitting. ...