The NACO product line includes fabricated CL150 Vanstone style flanges for almost any application. These two piece flanges made with a rotating ring make bolt alignment simple and efficient. Flanges are available in all standard PVC sizes covering Schedule 40 & 80 and PIP pipe. Our vast line of Vanstone flanges, including Socket, Spigot, and Gasket joint options make it possible to make any combination of the above products in both pressure and/or drainage applications.