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1.Patented technology is used to make the valve seal more reliable and has a bi-directional sealing function.
2.The butterfly plate is streamlined, and the hydraulic abrasion resistance is small.
3.It is easy to install and can be quickly connected to other grooved fittings or valves at any angle.
4.The valve body is made of ductile iron, which is small in size and light in weight.
5.The opening and closing is light, the operation torque is small, and the opening and closing are light.
6.The non-crushing valve is coated with ductile iron and powder epoxy resin inside and outside, which can effectively prevent the corrosion of various acid and alkali media and can ensure durability.
7.The micro switch is installed in the worm gear box, which improves the ability of fire prevention, moisture and moisture, and improves the life and reliability of the communication device.
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Here are some of the well-known brands recognized in the valve industry, which are widely recognized and have a high reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:
The following influential first-line brands of water system valves and industrial valves can be used as a reference, but for reference only: Suzhou Neway Valve, Shanghai Guanlong Valve, Shanghai Qizhong Valve, Sanhua, Chaoda, Shentong, Su Valve, Nanfang, Jiang.
First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.
These brands are known in the valve industry for their innovative technology, high-quality products and reliability. It is important to note that the market and industry are evolving rapidly, and different rankings may vary depending on time and region. For the most up-to-date ranking information, it is recommended to refer to industry reports, professional organizations or market research data for more detailed and accurate information.
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The main disadvantages of the grooved butterfly valve are: 1. The sealing performance of the grooved butterfly valve is not good, which is easy to cause air leakage and affect the normal operation of the system. 2. The structure of the grooved butterfly valve is simple, which is easily affected by the external environment and is easy to be damaged.
3. The control accuracy of the groove butterfly valve is not high, which is easy to cause the instability of the flow. Solution: 1. Replace high-quality seals to improve the sealing performance of grooved butterfly valves and reduce air leakage.
2. Regularly inspect the structure of the groove butterfly valve, find problems in time, and repair and replace them in time. 3. The intelligent control system is adopted to improve the control accuracy of the groove butterfly valve and ensure the stability of the flow.
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The main difference between the two is that the signal butterfly valve must be equipped with a fully open and fully closed valve position passive contact, which is used in the central control room to monitor the opening status and position of the valve, and is generally used in fire fighting places; The simple identification of the two, to put it bluntly, the signal butterfly valve is like a handle butterfly valve, that is, a travel switch is installed on the handle butterfly valve, so that the valve touches the travel switch when it is fully open or fully closed, and outputs an electrical signal. Of course, the acceptance requirements of the signal butterfly valve are higher than that of the ordinary butterfly valve, including the pressure test and the anti-electric shock of the travel switch, etc., and the national and industry standards have standards for these two valves.
Hopefully, the above description will give you a better understanding of these two valves.
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The advantages of the handle grooved butterfly valve are reflected in the following aspects:
1. The valve body of the handle grooved butterfly valve is made of ductile iron, which is very light in weight and small in size, and is suitable for making large diameters;
2. The handle grooved butterfly valve is easy to install, and can be connected with other grooved pipe fittings at any angle and position;
3. The inner cavity and periphery of the valve body are coated with non-toxic epoxy resin, which can effectively prevent corrosion and erosion by various corrosive media, and is durable;
4. The patented technology is designed to make the valve have good sealing, and the valve also has a double sealing function;
5. The butterfly plate of the opening and closing parts is designed as a straight line, the opening and closing speed is fast, lightweight, and the resistance of the medium is small;
6. When the transmission micro switch is placed in the worm gear box, it not only has the functions of moisture-proof, fireproof and moisture-proof, but also can improve the service life and operate reliably and smoothly.
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