1" CPVC CTS Ball Valve has a thermoplastic design that eliminates process and atmospheric corrosion. Valves are molded from ASTM D1784, Cell Classification 23447 virgin CPVC resin. They are suitable for hot and cold water systems. They conform to ASTM D2846 for dimensions of sockets and wall thickness. Pressure rated to 150 psi, non-shock water at 73°F. 100% leak-tested. They are bi-directional so they can be installed in either direction. NSF-61 approved for potable water service. Products are certified to NSF/ANSI 61, Annex Grand is in compliance with California's Health and Safety Code Section 116875 commonly known as AB1953) and Vermont Act 193. Use for fluid transfer only. Do not use with compressed air or gas.