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The NIBCO CC06400 is a Schedule 80 polypropylene threaded pipe nipple designed for use in fluid-handling and piping systems where corrosion resistance and chemical compatibility matter. Measuring 1/2 inch nominal pipe size and 4 inches in length, it features male NPT (MNPT) threads on both ends for direct connection to threaded fittings, valves, or equipment ports. Rated for a maximum working pressure of 20 psi and a maximum working temperature of 180 degrees F, this nipple is manufactured from polypropylene and meets ASTM D4101 standards. It is sold individually and is suited for plumbing, irrigation, chemical handling, and light industrial piping applications.
This nipple is used in residential and light commercial piping installations where metal pipe is not suitable due to corrosion concerns or chemical incompatibility. Typical applications include chemical feed lines, water treatment systems, irrigation headers, and general-purpose cold and warm water distribution. The black polypropylene construction resists many acids, bases, and solvents, making it a practical choice in environments where metal fittings would degrade. It connects directly to any standard 1/2 inch MNPT threaded fitting or valve.
Designed as an OEM-style replacement or new-installation component for 1/2 inch MNPT threaded piping systems using Schedule 80 polypropylene fittings and pipe.
Installation is typically performed by a licensed plumber or qualified pipefitter. Shut off and depressurize the water or fluid system completely before removing or installing any threaded nipple. Use PTFE thread tape or a compatible thread sealant rated for plastic fittings; do not overtighten, as polypropylene threads can crack under excessive torque. Reference local plumbing codes and applicable IPC provisions for plastic piping system requirements.
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