What is valve Handwheels? Types of valve handwheels - Valves - Industrial Automation, PLC Programming, scada & Pid Control System

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What is Handwheels? Handwheels are most common valve actuator. Handwheels are used to actuate control valve manually where automatic controlling is out of option and also in many cases, handwheels are used to override the control system and to operate the valve manually. There are various designs available in handwheel,including those that can stroke the valve in either direction and those that stroke the valve in one direction, relying on the valve spring for the return stroke. A handwh