Magnetic valve actuator

摘要: A valve actuator which allows complete isolation, controlled torque actuation, and tamperproof operation of by incorporating a magnetic coupling. An cap is shaped to fit over sealed stem. Permanent magnets are attached the stem cap. The provide coupling between across static non-magnetic bulkhead. not physically can be manually decoupled. decoupling eliminates need for dynamic seal corresponding high sealing loads. Decoupling prevents accidental or unauthorized actuation. Safety also enhanced elimination seal. New materials now if needed pressure applications.