ELECTRIC BALL VALVE
OVERVIEW
Electric ball valve is an important actuator in industrial automation control system. It is composed of electric actuator and ball valve. It is mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid regulation and control.
Electric ball valve is a valve that rotates around the axis of the valve stem according to the movement of the valve disc. The change of the valve seat port is proportional to the valve disc stroke. It mainly consists of two parts: electric actuator and ball valve:
The electric actuator is responsible for receiving the control signal and driving the motor to rotate.
The ball valve part includes components such as valve body, ball, valve seat and valve stem. The valve body is the outer shell of the ball valve, and there is a channel inside for fluid flow; the ball is the opening and closing part of the valve, which can be connected, cut off or regulated by rotating 90 degrees; the valve seat serves as a sealing gasket for the ball to ensure that the fluid will not leak in the closed state. When the electric actuator receives the control signal from the control system, it drives the motor to rotate, and then rotates the ball around the axis of the valve stem through the transmission mechanism (such as gear worm gear). By changing the control signal, the ball valve can be precisely opened and closed, thereby achieving precise control of the fluid medium.
In addition, electric ball valves can be divided into many types according to their structure and purpose. For example, according to different connection methods, they can be divided into electric flange ball valves, electric wafer ball valves, electric welding ball valves and electric threaded ball valves; according to different sealing forms, they can be divided into soft-sealed electric ball valves and metal-sealed electric ball valves.
COMPOSITION
The electric ball valve is mainly composed of two parts: the electric actuator and the ball valve.
The electric actuator is responsible for receiving the control signal and driving the motor to rotate. It is the power and control part of the electric ball valve. The ball valve part includes components such as the valve body, ball, valve seat, sealing ring, and valve stem. The valve body is the outer shell of the ball valve, and there is a channel inside for fluid flow; the ball is the opening and closing part of the valve, which can be connected, cut off or adjusted by rotating 90 degrees; the valve seat serves as a sealing gasket for the ball to ensure that the fluid will not leak in the closed state; the sealing ring is installed on the valve seat to enhance the sealing effect; the valve stem is used to control the rotation of the ball and connect the electric actuator and the ball.
In summary, the composition structure of the electric ball valve enables it to achieve precise fluid control and plays an important role in industrial automation control systems.
FEATURES
The characteristics of electric ball valves mainly include compact structure, reliable sealing, easy operation, low fluid resistance, wide application range, convenient maintenance, adjustable flow and high safety.
Compact structure: The electric ball valve has a compact structure design, small size, light weight, can be installed in a small space, and is easy to use and maintain.
Reliable sealing: The opening and closing parts (ball) of the electric ball valve fit tightly with the valve seat, have good sealing performance, can effectively prevent medium leakage, and the sealing level can usually reach zero leakage or trace leakage.
Easy operation: The switching action of the electric ball valve can be achieved by an electric actuator, which is easy to operate. It can be quickly opened and closed by rotating 90°, and can be controlled by remote control or automatic control system.
Low fluid resistance: The spherical shape of the electric ball valve makes the fluid have less resistance when passing through the valve, which can reduce the fluid resistance loss. It is particularly suitable for large-diameter pipelines and high-flow medium delivery systems.
Wide range of applications: Electric ball valves are suitable for various pipeline systems, such as chemical, petroleum, pharmaceutical, food, etc., and can be used for the transportation and discharge of gas, liquid and powder.
Easy maintenance: The repair and maintenance of the electric ball valve is relatively simple, and it can be maintained by simply disassembling and replacing parts, and has a long service life.
Adjustable flow: The electric ball valve can adjust the flow by adjusting the opening of the valve, which is suitable for occasions where flow control is required.
High safety: The electric ball valve has the characteristics of explosion-proof and fire-proof, and can be used safely in some special environments. In summary, the electric ball valve has been widely used in industrial automation control systems due to its many advantages.
INSTALLATION
Installation Location Indoor Installation Matters
This is a non-explosion-proof product. Do not install it in a room with explosive gas. Please reserve space for incoming wires and manual operation.
Precautions for outdoor installation
Please install a protective cover and make sure that the wiring cover is tightly closed after wiring to ensure safety Note: Direct sunlight will cause high temperatures inside the machine and accelerate the aging of components. Rainwater will accelerate the aging of seals, causing water seepage and damage to the machine.
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