DAVIDSON, N.C. - Curtiss-Wright Corporation announced that it has entered into an agreement to acquire the stock of Dyna-Flo Control Valve Services Ltd. (Dyna-Flo) for CAD$81 million (US$62 million) in cash. Dyna-Flo is a designer and manufacturer of linear and rotary control valves, isolation valves, actuators, and level and pressure control systems for the chemical, petrochemical, and oil and gas markets.