PNEUMATIC ACTUATORS FOR VALVE AUTOMATION
Hayward Flow Control Systems has announced a wide range of pneumatic valve actuators and related control options for a diverse range of valve automation applications. Corrosion-resistant pneumatic actuators are available in a variety of air-to-air (double acting) and air-to-spring (fail-safe) ¬º turn spring return models with two and four piston rack & piston or vane designs, depending upon the models. All models are said to offer high torque outputs and come with a manual override, position indicator, and permanent lubrication.
Several models can be used with ball valve sizes up to 2 in., other models offer an ISO5211 mounting base and can be used with True Union ball valves, three-way ball valves and butterfly valves from ¬º to 24 in. sizes, and one model is suitable for use with all size ball and butterfly valves up to 8 in.