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What Is A Regulating Valve
Regulating valve is used to regulate the fluid flow valve, Marine regulating valve is mainly used to regulate the flow, pressure and other parameters of the ship pipeline medium, is an indispensable part of the ship automation control system.
The regulating valve is composed of a main valve and an auxiliary valve, and the main and auxiliary valves are respectively installed in their respective pipelines. A filter is installed in the pipeline to prevent impurities in the medium from blocking the channel; It is equipped with a by-pass pipe so that the channel can be quickly closed in case of failure; An overload device is also installed to protect the system from damage.
The working principle of the regulating valve
Based on hydraulic or mechanical transmission, the flow rate and pressure of the medium are controlled by changing the opening or Angle of the valve port.
Regulating valves can be divided into three types according to their use: truncation class (such as gate valves), throttling class and shunt class.
The truncation class is used to cut off the change of fluid flow direction and maintain a certain pressure difference or liquid level difference; This kind of valve generally requires hard and reliable closing parts and good sealing performance.
The function of the throttle control valve is to achieve flow regulation by reducing the channel area of the fluid flowing through the throttle. When the fluid passes through the throttle, the flow rate increases, the pressure decreases, and the flow rate decreases accordingly. The flow rate can be adjusted by reducing or enlarging the orifice area.
The function of the diverter control valve is to achieve flow distribution regulation by diverting the fluid into multiple pipelines. After the fluid is shunt, the flow rate in different pipes can be adjusted by the distribution ratio of the fluid in the shunt pipe.
Regulating valve is used to regulate the fluid flow valve, Marine regulating valve is mainly used to regulate the flow, pressure and other parameters of the ship pipeline medium, is an indispensable part of the ship automation control system.
The regulating valve is composed of a main valve and an auxiliary valve, and the main and auxiliary valves are respectively installed in their respective pipelines. A filter is installed in the pipeline to prevent impurities in the medium from blocking the channel; It is equipped with a by-pass pipe so that the channel can be quickly closed in case of failure; An overload device is also installed to protect the system from damage.
The working principle of the regulating valve
Based on hydraulic or mechanical transmission, the flow rate and pressure of the medium are controlled by changing the opening or Angle of the valve port.
Regulating valves can be divided into three types according to their use: truncation class (such as gate valves), throttling class and shunt class.
The truncation class is used to cut off the change of fluid flow direction and maintain a certain pressure difference or liquid level difference; This kind of valve generally requires hard and reliable closing parts and good sealing performance.
The function of the throttle control valve is to achieve flow regulation by reducing the channel area of the fluid flowing through the throttle. When the fluid passes through the throttle, the flow rate increases, the pressure decreases, and the flow rate decreases accordingly. The flow rate can be adjusted by reducing or enlarging the orifice area.
The function of the diverter control valve is to achieve flow distribution regulation by diverting the fluid into multiple pipelines. After the fluid is shunt, the flow rate in different pipes can be adjusted by the distribution ratio of the fluid in the shunt pipe.
The size of the Marine regulating valve is usually selected according to the actual needs, and there is no uniform standard. Generally speaking, the size of the regulating valve should meet the requirements of the flow, pressure and other parameters of the pipeline medium, and also consider the installation space, weight, cost and other factors.
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