The flange is an injection molded uPVC fittings for use with chemical processing, industrial planting, chilled water distribution, demonized water lines, chemical drainage and waste water treatment systems. Flange connects uPVC piping lengths together with solvent cementing, threading or flanging to create a highly reliable, leak-free system. uPVC flange are lightweight, easy to install, maintenance free, and will not rust, scale, pit or corrode.