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The NIBCO CD03815 is a Schedule 80 PVDF threaded pipe nipple designed for demanding fluid-handling systems where chemical resistance and pressure durability are required. Sized at 3/4 inch pipe diameter and 5 inches in length, this nipple is molded from polyvinylidene fluoride (PVDF), a high-performance thermoplastic that resists a wide range of aggressive chemicals, UV exposure, and elevated temperatures. The red color coding aids in quick system identification on the job. Licensed plumbers and pipefitters install this fitting in industrial, chemical processing, and high-purity plumbing applications where metal or standard PVC components are not suitable.
This nipple is suited for use in corrosive chemical lines, ultrapure water systems, and industrial process piping where Schedule 80 wall thickness is specified for added pressure capacity. Its threaded ends allow straightforward connection to standard 3/4 inch threaded fittings, valves, and equipment without special tooling. It is commonly installed in both commercial and light industrial environments where PVDF is called out by system design or chemical compatibility requirements.
Designed as an OEM-style replacement or new-installation fitting for Schedule 80 PVDF threaded piping systems using 3/4 inch pipe connections.
Installation should be performed by a licensed plumber or pipefitter familiar with plastic threaded fittings. Use PTFE thread tape or a chemical-compatible thread sealant rated for PVDF and the specific media being conveyed. Hand-tighten first, then apply minimal wrench turns to avoid cracking the fitting from overtorque. Shut down and depressurize the system completely before removing or installing any pipe nipple.
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