The NIBCO CPVC-CTS coupling is made of FlowGuard Gold CPVC and is ideally suited for hot and cold water pressure distribution systems in residential and commercial applications. The CPVC-CTS coupling features female socket connections and is used to connect two lengths of CPVC-CTS piping. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information.Chlorinated Polyvinyl Chloride (CPVC) has proven to be an excellent material for hot corrosive liquids, hot and cold water distribution, and similar applications above the temperature range of PVC. CPVC will not rust, pit, scale or corrode. CPVC fittings are easy to install and are joined by solvent cementing or threading. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.FlowGuard Gold is a registered trademark of The Lubrizol Corporation. Not for use with compressed air or other gases.