NIBCO INC. announced enhancements to its Webstone Pro-Pal T-Valve line, designed to easily isolate a device or branch for service. The enhancements include 17 new lead-free dezincification-resistant brass models in highly requested options. These options are FIP x press models for expansion tanks and return headers now available in sizes up to 1¼"; a G-thread option that is compatible with a host of fittings and accessories and new 3/8" and 1/4" OD compression branch models that are perfect for humidifiers and ice maker installations in tight locations.