Principle of Balancing Valve
The balancing valve works based on a counter-regulation mechanism inside the valve body. When the pressure at the inlet increases, the valve automatically reduces its opening diameter, thereby decreasing the flow rate. Conversely, when the inlet pressure decreases, the valve opens more to increase the flow. If the valve is installed in the reverse direction, the control system will not function properly. The main purpose of a balancing valve is to regulate and maintain a predetermined flow rate at each distribution point in the system, such as individual buildings. These valves are typically installed at the entrance of each building to ensure that the total flow in the heating system is distributed evenly. They operate similarly to check valves but with an added control function.
The regulating plate within the balancing valve is directional. If the pressure is applied in the wrong direction, it can cause the valve to partially or completely close, blocking the flow. Since balancing valves are primarily used for heating systems, improper installation is usually avoided. However, human error can still occur, and such mistakes should be corrected during system commissioning.
Are balancing valves and flow balancing valves the same? Not exactly. A static balancing valve is designed to maintain a fixed flow rate once set, while a dynamic balancing valve adjusts the flow in real-time based on system conditions. Flow balancing valves are commonly installed on either the supply or return pipes of air conditioning systems. They help balance pressure by releasing excess pressure, ensuring consistent flow throughout the system.
The primary function of a flow valve is to control the flow of liquids or gases. These valves are typically installed in the supply line of a system, while gas systems often use them in loop configurations. The main goal of using a balancing valve is to allow heat users to receive a stable and controlled amount of heat. This requires adjusting the flow rate, making the heating system a variable flow system. However, most heating networks today are designed based on basic heating requirements, which makes it difficult to provide unlimited heating on demand. As a result, hydraulic imbalances often occur, especially in systems that only use balancing valves without heat meters.
Self-acting flow balancing valves are installed at each building's inlet, but they are expensive and therefore less commonly used. An alternative approach is to install self-acting flow balance valves on branch lines. Most buildings currently use locked flow balance valves, which require manual adjustment during the initial operation of the network. This process is time-consuming, labor-intensive, and complex, making it challenging to adapt to changing heating conditions. Nevertheless, this method remains an economical way to achieve proper hydraulic balance in the heating system.
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The balancing valve works based on a counter-regulation mechanism inside the valve body. When the pressure at the inlet increases, the valve automatically reduces its opening diameter, thereby decreasing the flow rate. Conversely, when the inlet pressure decreases, the valve opens more to increase the flow. If the valve is installed in the reverse direction, the control system will not function properly. The main purpose of a balancing valve is to regulate and maintain a predetermined flow rate at each distribution point in the system, such as individual buildings. These valves are typically installed at the entrance of each building to ensure that the total flow in the heating system is distributed evenly. They operate similarly to check valves but with an added control function.
The regulating plate within the balancing valve is directional. If the pressure is applied in the wrong direction, it can cause the valve to partially or completely close, blocking the flow. Since balancing valves are primarily used for heating systems, improper installation is usually avoided. However, human error can still occur, and such mistakes should be corrected during system commissioning.
Are balancing valves and flow balancing valves the same? Not exactly. A static balancing valve is designed to maintain a fixed flow rate once set, while a dynamic balancing valve adjusts the flow in real-time based on system conditions. Flow balancing valves are commonly installed on either the supply or return pipes of air conditioning systems. They help balance pressure by releasing excess pressure, ensuring consistent flow throughout the system.
The primary function of a flow valve is to control the flow of liquids or gases. These valves are typically installed in the supply line of a system, while gas systems often use them in loop configurations. The main goal of using a balancing valve is to allow heat users to receive a stable and controlled amount of heat. This requires adjusting the flow rate, making the heating system a variable flow system. However, most heating networks today are designed based on basic heating requirements, which makes it difficult to provide unlimited heating on demand. As a result, hydraulic imbalances often occur, especially in systems that only use balancing valves without heat meters.
Self-acting flow balancing valves are installed at each building's inlet, but they are expensive and therefore less commonly used. An alternative approach is to install self-acting flow balance valves on branch lines. Most buildings currently use locked flow balance valves, which require manual adjustment during the initial operation of the network. This process is time-consuming, labor-intensive, and complex, making it challenging to adapt to changing heating conditions. Nevertheless, this method remains an economical way to achieve proper hydraulic balance in the heating system.
From: http://news.chinawj.com.cn Submission:
ASHOWER , https://www.ashower.com