This 1″ Sch 80 PVC Union, VITON (SOC x FNPT) adds a removable connection in a pipe that can be easily diconnected to remove a section of pipe or equipment. One side connects to a pipe using solvent welding and the other has female threads. 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. Petram PVC has all the schedule 80 PVC and CPVC fittings and valves you need for your project.