Linear Pneumatic Actuators
These are used for automation of Globe, Gate and Control Valves by means of pneumatic piston. Opening and closing of valve obturator are maintained by pneumatic power. Control devices for such actuators are designed depending on application fields. Spring Return or Double Acting types of Linear Pneumatic Actuators are available, too.
Quarter Turn Pneumatic Actuators
Vastas prefers the Quarter Turn Actuators with canted scotch yoke mechanism, which provides torque advantage when critical torques are required. They may be designed & produced as Spring Return or Double Acting Type.