Webstone Valves announces its product line is now compatible with a PP-R or PP-RCT piping system. The new Blue PP-R Pro products include ball valves, the Isolator, the Isolator with multifunction drain and the Pro-Pal ball drain. All the valves are manufactured with PP-RCT socket connections and lead-free CleanBrass, certified to NSF/ANSI 61 & 372.