This 1/2″ Sch 80 PVC Union, VITON (FNPT x FNPT) adds a removable connection in a pipe that can be easily diconnected to remove a section of pipe or equipment. a male adaptor, threaded pipe or pipe nipple connects to this part. Sch 80 PVC is robust and durable, perfect for commercial and industrial applications. VITON seals provide increased temperature resistance than EPDM seals and recommended for exposure to oils, gasoline and aggressive chemicals. Our close relationship with our suppliers means we can give you the best price.