Manufacturers IMI Flow Design Contact Us for More Information Manual Venturi Balancing Manual Balancing Valves 2"-16" Automatic Balancing Valves Wafer Style Automatic balancing valve Wafer Style Automatic balancing valve with Butterfly Valve Combination Y-strainer and ball valve Union with two port option Steel venturi with flanged ends 2-Way Manual Coil Hook Up ½”-2” 2-Way Automatic Coil Hook Up ½”-2” 2-Way Manual Coil Hook Up 2 ½”-12” 2-Way Automatic Coil Hook Up 2 ½”-12”