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The NIBCO CD03905 is a Schedule 80 PVDF threaded pipe nipple designed for use in demanding fluid-handling systems where chemical resistance and pressure performance are required. PVDF (polyvinylidene fluoride) is a high-performance thermoplastic that holds up to aggressive chemicals, high-purity water systems, and elevated operating temperatures better than standard PVC or CPVC fittings. This nipple measures 1-1/2 inches pipe size and is colored red for easy identification in multi-pipe installations. It is installed by licensed plumbers and pipefitters working on industrial, commercial, or laboratory piping systems.
This nipple is suited for chemical process piping, high-purity water lines, semiconductor fabrication support systems, and other applications where standard thermoplastics would degrade. Schedule 80 wall thickness gives it higher pressure ratings and added mechanical strength compared to Schedule 40 components. The threaded end connections allow direct makeup into threaded valves, couplings, and fittings without solvent cementing. It is commonly used in both above-ground and in-plant indoor piping configurations where chemical exposure or purity requirements rule out metal fittings.
Designed as an OEM-style replacement or new-installation component for Schedule 80 PVDF threaded piping systems using 1-1/2 inch pipe size connections.
Installation should be performed by a licensed plumber or pipefitter familiar with thermoplastic piping systems. Shut off system flow and depressurize the line before removing or installing any threaded nipple. Use a strap wrench rather than pipe tongs to avoid cracking the PVDF body, and apply PTFE thread tape rated for use with fluoropolymer fittings. Follow applicable IPC and local plumbing code requirements for plastic piping in your jurisdiction.
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