4" Schedule 40 PVC Plug (MIPT) — 450-040 Threaded Male Plug
Durable 4" Schedule 40 PVC plug with male iron pipe threads (MIPT). Designed to close off pipe runs, cleanouts and unused fittings in irrigation, pool/spa and cold-water plumbing systems. Injection-molded PVC gives corrosion resistance and long service life while remaining lightweight for easy handling and installation. Material & Standards: Injection-molded PVC produced to ASTM D1784 and common Schedule 40/STD specifications; many listings show NSF/ANSI compliance for potable water when marked. Connection Type: Male iron pipe thread (MIPT/MNPT) for secure threaded connections and easy installation into female-threaded fittings or sockets. Nominal Size & Schedule: 4" nominal pipe size, Schedule 40 (S40) — designed for standard PVC piping systems and typical irrigation or cold-water applications. Temperature & Use Limits: Rated for typical cold-water service up to about 140°F (60°C); not intended for hot-water distribution, compressed air or gaseous service. Performance