To meet the higher pressure requirements of today’s water infrastructure systems, all 2- to 12-inch Mueller UL/FM swing check valves are now rated at 350 psig cold working pressure. In addition, the product line has been expanded to include 2-, 14- and 16-inch sizes. The two largest sizes are rated at 250 psig CWP. Standard features include all ductile iron construction, bronze to BUNA seating, lifting rings, PN16 drilling, bosses for bypass connections and a drain plug. 800-423-1323; www.muellercompany.com .