This 1/2″ Sch 80 PVC Union, EPDM (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. EPDM seals provide effective sealing with resistances to several chemicals over a wide range of temperatures. Our close relationship with our suppliers means we can give you the best price.