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Self-operated pressure regulating valve is composed of valve body, control valve, valve seat, valve core, bellows, valve cover and other components. It is used in petroleum, chemical, metallurgy, light industry and other industrial sectors and urban heating and heating systems. It is an automatic flow regulating device for pipelines in gas transmission, oil transportation, water transportation, etc. It is used in pipelines through the use of a series of devices such as valve body, valve orifice plate, valve core, valve stem and inner cavity. The pressure is automatically adjusted by the valve, a product representative of the advantages in the auto-hanging system, the constant pressure at both ends of the pipe, can be installed at both ends of the orifice plate on the pipe, through the pressure difference makes the pneumatic enrichment of the actuator two Side, to control the pressure, if you use other methods, the flow rate can be measured, you can also adjust the flow in the pipeline, can be used in large displacement, high pressure difference, leaking less occasions to use.
The biggest characteristic of the self-operated pressure regulating valve is that it can work in an airless and non-electrical place. The pressure setting value can be adjusted freely during operation. Sensitive action, good sealing performance, decompression of various equipment gas, liquid, and steam media in automatic control system, voltage regulation (for valve pressure regulation) or pressure relief, voltage regulation (for valve pressure regulation) Automatic control valve. According to the user's different working conditions, different spool structure types and different actuators can be selected to achieve the best results.
Self-operated pressure regulating valve performance and features:
1, The flow rate can be set according to the design or actual requirements, it can automatically eliminate the pressure fluctuation of the system and keep the flow unchanged;
2, reduce the design workload, do not need to cumbersome hydraulic balance calculation of the pipe network;
3, completely solve the pressure difference at the proximal end. The contradiction of small pressure difference at the far end;
4, Exempted from the redistribution of the flow when the heat source of the multi-heat source pipe is switched;
5, to overcome the system of hot and cold inequality. Improve heating (cooling) quality;
6. The flow rate display values ​​are randomly calibrated on the test bench and the flow rate (m3/h).
7, reduce the amount of system circulating water, reduce system resistance;
8, reduce the difficulty of network adjustment, the complexity of the network adjustment work to simplify the flow distribution.
What is the knowledge of self-operated pressure regulator?
The self-operated pressure regulating valve is a new type of regulating valve. This regulating valve does not require external energy knowledge to rely on the medium's own pressure change to control the medium's new products. It has received attention and use from all walks of life, and the self-operated pressure regulation The valve does not need energy. Although the price will be higher at the time of purchase, once it is installed, it can bring great savings to the user. It is precisely because of this principle that the valve has played a role in the new product and can be used in non- Pressure control devices for media such as corrosive liquids, gases, and steam. Therefore, many customers also call it self-operated pressure control valves. The current development of control valves has made new progress, and there will be more and more powerful control valves. Households, today's three fine valves from the self-operated pressure control valve structure of the private characteristics of its introduction.