1. Manual operation can control a small range of opening
Electric valve actuators have multiple application advantages such as full-featured, reliable performance and advanced control systems. And its manual operation can control a small range of opening. The operator only needs to depress the manual handle to make it in the manual position, rotate the handwheel and then hook up the clutch, but it should be noted that it is not suitable to use an afterburner in this operation. Additional tools such as rotating the handwheel.
