China Shanghai Jianggong Valve Manufacturing Co., Ltd. Company News

  How to choose electric and pneumatic gate valves The main differences between electric gate valves and pneumatic gate valves lie in the power source, control mode, response speed, and ease of maintenance and repair. ‌ 1. Power source: The electric gate valve uses an electric motor as the power source, which drives the opening and closing of the valve through the electric motor; The pneumatic gate valve is driven by the air pressure provided by the air source to open and close the valve. ‌ 2. Control method: Electric gate valves can be remotely and automatically controlled by electrical signals to control the opening and closing of the valve; Pneumatic gate valves generally require pneumatic and manual devices to control the opening and closing of the valve, and the control method is relatively simple. ‌   3. Response speed: Electric gate valves have a relatively fast response speed and can achieve fast opening and closing; The response speed of pneumatic gate valves is relatively slow and the opening and closing time is long. ‌   4. Maintenance and repair: Electric gate valves generally require motor maintenance and overhaul, which is relatively difficult to maintain; Pneumatic gate valves generally only require maintenance and overhaul of pneumatic components, making maintenance relatively simple. ‌   Overall, electric gate valves are suitable for applications that require remote and automated control, with a fast response speed; Pneumatic gate valves are suitable for general control applications and are relatively easy to maintain. These two types of valves each have their own advantages, and the choice of valve depends on the specific application requirements and working environment. ‌

The characteristics and application prospects of API butterfly valve   API butterfly valve is a kind of high performance butterfly valve and designed with API 609 standard, it adopts three-dimensional eccentric oblique cone valve seat seal, butterfly disc sealing adopts new type metal embedded put on the butterfly plate and valve seat, using disc rotating pressure tight seal, so the sealing surface friction small, so the closer the butterfly valve level is, the tighter it becomes, and sealing performance reliable, open to ensure sealing completely out of contact, to ensure the sealing surface is not damaged, and its connection ways including wafer, flange and lug types, its features as following,   1. Lightweight and easy to operate, easy to install: The design of the three eccentric butterfly valve makes it a lightweight and easy to operate valve, which simplifies the installation process, reduces the required pipeline support, and also makes it easy to replace the valve seat ring. ‌ 2. Low torque and bidirectional sealing function: Due to its low torque characteristics, the three eccentric butterfly valve does not require the use of larger valves, thereby significantly saving costs. In addition, both ends achieve zero leakage and have bidirectional sealing function, which is not limited by the flow direction and spatial position of the medium, and can be installed in any direction. ‌ 3. Excellent cutting performance and durability: The design of the three eccentric butterfly valve has excellent cutting performance and durability, with small size, light weight, good sealing performance and corrosion resistance, and long service life. ‌   The application prospects of triple eccentric butterfly valves are very broad, mainly used in industrial pipelines such as metallurgy, power, petrochemicals, water supply and drainage, and municipal construction, as a means of regulating flow and cutting off fluids. In addition, due to its excellent performance, the three eccentric butterfly valve is also suitable for fields such as heat, energy, and light industry, with advantages such as small size, light weight, economic practicality, and easy maintenance. ‌   In summary, the three eccentric butterfly valve occupies an important position in the industrial field due to its unique design and excellent performance, and has a wide range of application prospects.  

What is the development trend of electric control valves The development trends of electric control valves include high performance and reliability, intelligence and networking, energy conservation and environmental protection and low-carbon economy, personalization and customization. ‌ With the acceleration of industrialization and the improvement of industrial automation level, the market size of electric control valves will continue to expand, and the competitive landscape will become increasingly fierce. Technological innovation becomes crucial, and industry integration and restructuring will inevitably occur. Early electric control valves were mainly used for fluid control in industrial production, achieving the adjustment of parameters such as medium flow rate, pressure, and temperature through electric actuators. Although they improved production efficiency to a certain extent, there were still problems such as inconvenient operation and low control accuracy. With the continuous progress of technology, intelligent electric control valves are gradually moving towards the intelligent stage, adding intelligent control systems and diversified functional modules. Real time monitoring of medium flow, pressure, temperature and other parameters is achieved through built-in sensors, and intelligent algorithms are used for analysis and processing to achieve precise control of medium flow. At the same time, the intelligent electric control valve also has functions such as remote monitoring, fault diagnosis, and automatic alarm, greatly improving the intelligence and automation level of the valve, reducing the frequency of manual intervention, and improving production efficiency and safety. ‌ In the future, with the continuous development and application of technologies such as artificial intelligence, big data, and cloud computing, intelligent electric control valves will usher in a broader development space. Intelligent electric control valves will pay more attention to interconnectivity with other equipment and systems, achieving deep integration of intelligent technology. By connecting with industrial IoT platforms, real-time monitoring and control of the entire production process can be achieved, thereby achieving intelligent management of the production process. At the same time, intelligent electric control valves will also pay more attention to energy-saving, emission reduction, and environmental protection functions. By optimizing control algorithms and equipment structure design, precise control of medium flow and pressure will be achieved, reducing energy consumption and emissions, and achieving green production.