THE COIL-CONNECT LINE OF BALANCING VALVES AND CONTROL KITS includes balancing valves, combination ball valves and unions. They feature integral union connections and multiple tapped ports. Strainers and drain valves are also standard. Packaged in heavy-duty, recyclable poly bags, each valve kit is clearly marked with a diagram that indicates where it fits within the system.    
Nibco
CIRCLE 119 on inquiry card