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The NIBCO CD00500 is a Schedule 80 PVDF adapter coupling designed for 1/2-inch pipe connections in industrial and chemical-handling piping systems. Built from polyvinylidene fluoride (PVDF), this fitting delivers strong resistance to corrosive fluids, UV exposure, and a wide range of chemicals, making it a reliable choice where standard PVC or CPVC fall short. The red color coding provides quick visual identification on PVDF piping runs. Both end connections are female pipe thread (FPT x FPT), allowing straightforward threaded assembly into existing Schedule 80 piping. Licensed plumbers and industrial pipefitters are the typical installers for this type of fitting.
This adapter coupling is suited for residential, commercial, and industrial piping applications involving aggressive chemicals, high-purity water systems, semiconductor fabrication, and chemical processing lines where PVDF is specified. Schedule 80 wall thickness provides added pressure and mechanical durability compared to Schedule 40 fittings. The FPT x FPT configuration is commonly used to join threaded pipe sections or to connect threaded male adapters and valves within a system.
Designed as an OEM-style replacement or new-installation fitting for Schedule 80 PVDF threaded piping systems using 1/2-inch pipe.
Installation should be performed by a licensed plumber or qualified pipefitter familiar with thermoplastic piping systems. Shut off and depressurize the piping system completely before removing or installing any fittings. Use thread sealant compatible with PVDF when making threaded connections — verify sealant chemical compatibility with the fluid being conveyed. Do not overtighten threaded connections, as PVDF fittings can crack under excessive torque.
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