TWO PISTON PNEUMATIC ACTUATOR Multi-function, fast installation, high accuracy, low costs. TWO PISTON PNEUMATIC ACTUATORMulti-function, fast installation, high accuracy, low costs.Double acting operation functionSingle acting operation functionPrice List: Model No.DFS ACTUATOR (DA actuator) (USD/pc)spring (USD/pc)SPN5035.860.47SPN6340.50.5SPN7549.260.59SPN8558.560.64SPN10076.520.83SPN125115.691. ...