Regulating valve

Regulating valve

Control valve, also known as control valve, is the final control element in the field of industrial automation process control, which changes the medium flow, pressure, temperature, liquid level and other process parameters by receiving the control signal from the control unit and power operation. Generally by the actuator and valve

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What is the control valve, what is the use?
Control valve, also known as control valve, is the final control element in the field of industrial automation process control, which changes the medium flow, pressure, temperature, liquid level and other process parameters by receiving the control signal from the control unit and power operation. It is generally composed of actuator and valve. According to the stroke characteristics, the control valve can be divided into straight stroke and angular stroke; according to the power of its actuator, it can be divided into pneumatic control valve, electric control valve and hydraulic control valve; according to its function and characteristics, it can be divided into linear characteristics, equal percentage characteristics and parabolic characteristics. The control valve is suitable for air, water, steam, various corrosive media, mud, oil and other media. English Name: control valve, tag usually begins with FV. Control valve commonly used classification: pneumatic control valve, electric control valve, hydraulic control valve, self regulating valve.
According to the stroke characteristics, the regulating valve can be divided into straight stroke and angular stroke. Straight stroke includes: single seat valve, double seat valve, sleeve control valve
Cylinder valve, cage valve, angle valve, three-way valve, diaphragm valve; angle stroke includes: butterfly valve, ball valve, eccentric rotary valve, full function ultra light control valve.
The control valve can be divided into manual control valve, pneumatic control valve, electric control valve and hydraulic control valve according to the driving mode, that is, the pneumatic control valve with compressed air as the power source, the electric control valve with electricity as the power source, and the hydraulic control valve with liquid medium (such as oil) pressure as the power source;
According to the regulation form, it can be divided into regulation type, cut-off type and regulation cut-off type;
According to the flow characteristics can be divided into: linear, logarithmic (percentage), parabolic, fast open.
The single acting control valve is mainly used to control various process fluids, gases and steam. The design meets the requirements of en and ASME standards. The valve body is s streamline channel, with small pressure drop loss, large flow rate, wide adjustable range and high accuracy of flow characteristics, meeting iec60534-2 standard.
Characteristics of control valve
The optimized actuator is suitable for various gas source conditions
The shut-off capacity reaches class IV, V and VI
High flow design
The optimized valve channel is more conducive to flow stability
All specifications are compatible with each other

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