The SharkBite 22461LF PEX barb ball valve is constructed from lead-free DZR (Dezincification Resistant) brass, designed to control and shut off water flow in potable water and hydronic heating systems. This valve features 1/2 inch PEX barb connections, compatible with either copper crimp rings or stainless steel clamps for secure installation. It is rated for a minimum working temperature of 33°F at 160 psi and a maximum working temperature of 200°F at 80 psi. The valve is certified to IAPMO IGC 157 for ball valve standards, NSF/ANSI 61 for drinking water system component health effects, and NSF 372 for low-lead content compliance, ensuring its suitability for safe drinking water applications. It is approved for underground and behind-the-wall installations when properly wrapped with an impervious, chloride-free materia