Electric Actuated Ball Valve
The electric actuated ball valve is composed of an electric actuator and a ball valve. It is a pipeline pressure element for industrial automation process control, which is usually used for remote open and close (on and off) control of pipeline media. It is mainly used for cutting or connecting the medium in the pipeline, and can also be used for the adjustment and control of the fluid. The V-shaped ball core of the hard sealed V-shaped ball valve has a strong shear force between the V-shaped ball core and the metal seat of surfacing cemented carbide, especially for the medium containing fiber and small solid particles. Electric ball valve is divided into electric flange ball valve, electric clamp ball valve, electric welding ball valve, electric wire ball valve. According to the sealing form is also divided into soft seal electric ball valve, hard seal electric ball valve.
- Product Introduction
Electric actuated ball valve is a combination of plug type ball valve and electric actuator, ball valve body structure for the rotation of 90 degrees of the spool, the electric actuator for the input 0-10 mA standard signal, the electric unit drives the gear worm gear Angle torque to switch and adjust the valve. Its use mainly depends on the current flow and regulation operation. Commonly used electric actuators are multi-rotary, single-rotary, intelligent, angular stroke actuators, straight stroke electric actuators, explosion-proof actuators, fine and small actuators. The ball valve mainly has floating ball valve, fixed ball valve, O-type ball valve, V-type ball valve, three-way ball valve and so on. Its actuators and ball valves are configured together to produce a diverse range of products. It can also be added to the control box for remote operation, while adding other accessories to the actuator can also achieve more functional applications, such as adding electrical positioner for flow adjustment, resistance/current valve position converter can be used to indicate and control the valve position opening, handwheel mechanism can be manually operated when there is no current. Other commonly used accessories are insulation sleeves, explosion-proof stroke switches, etc. The initial selection can be selected according to the working condition.
The thrust bearing of the electric ball valve can reduce the friction torque of the valve stem, which can make the long-term operation of the valve stem smooth and flexible. The static electricity generated during the switching process can be derived by setting a spring between the ball, the stem and the valve body. Bottom mounted valve stem and valve stem head convex step to prevent valve stem ejecta, such as fire caused by valve stem seal damage, convex step and valve body can also form metal contact to ensure valve stem seal.
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