In the event the coil is energized and generates a magnetic field, the Main is attracted, which opens or closes the valve. Core Spring: It can be often called a pneumatic quick Reduce-off ball valve because it has a relatively rapid execution velocity. Its switching velocity is 0.5 seconds per https://pressuregaugenuovafima22986.isblog.net/pneumatic-actuator-ball-valve-things-to-know-before-you-buy-32409974