Self-operated balancing valve, also known as self-operated flow control valve, is an intuitive and simple flow regulation control device. The application of self-operated balancing valve in pipeline network can directly set the flow according to the design. The valve can automatically eliminate the residual head and pressure fluctuations caused by flow deviation under the action of water. Regardless of how the system pressure changes, the set flow remains unchanged. These functions of self-operated balancing valve complete the flow adjustment of pipeline network at one time, turning the adjustment work into a simple flow distribution, effectively solving the problem of hydraulic imbalance in pipeline network.
Performance and characteristics of self-operated balancing valve:
1. Flow can be set according to design or actual requirements, and automatically eliminate the pressure difference fluctuation of the system to keep the flow unchanged.
2. Overcome the phenomenon of uneven cold and heat in the system, improve the quality of heating (cooling).
3. Thoroughly solve the contradiction of large pressure difference at near end and small pressure difference at far end.
4. Reduce the circulating water volume of the system and reduce the system resistance.
5. Reduce the design workload, no need for tedious hydraulic balance calculation of pipeline network.
6. Lower the difficulty of adjustment, simplify the complex adjustment work into simple flow distribution.
7. Exempt from the flow redistribution work when switching heat sources in multi-heat source pipeline networks.
8. The displayed flow value is randomly calibrated on the test bench, with flow rate (m3/h).
Material and service life of self-operated balancing valve:
Valve body — high-quality gray cast iron
Internal parts — brass, stainless steel
Spring — stainless steel
Diaphragm — ethylene propylene
Service life — more than ten years
Technical parameters of self-operated balancing valve:
1. Medium temperature: 0-150 degrees.
2. Working pressure difference: 20-600KPa.
3. Working pressure: 1.6MPa.
Selection of self-operated balancing valve:
1. Can be selected according to the equal diameter of the pipeline.
2. Can be selected according to the maximum flow and the flow range of the valve.
Source of this article: Yingsheng Balancing Valve (http://www.btysfm.com/)