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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, Su Yan, 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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Follow the instructions on the instruction manual.
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1. Close the system water supply side disc valve and the system side disc valve! 2. Slowly open the water supply side disc valve, open the quick reset ball valve and emergency ball valve to discharge the air in the diaphragm cavity! 3. Close the emergency ball valve, when there is no water dripping out of the drip valve, close the quick reset ball valve, and the reset is successful!
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I hope to meet a lot of friends here. Sing together and hi with a small voice, come and leave your voice
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1) The deluge valve group should be installed in an obvious position that is safe and easy to operate, and the height from the indoor ground should be appropriate.
2) The distance between the two sides and the wall should not be less; The distance between the front and the wall should not be less, and there should be drainage facilities on the indoor ground where the alarm valve group is installed.
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This deluge valve is similar to the real-time reporting and dispatching, which requires a signal valve and a pressure switch module, but also needs a solenoid valve module and a remote direct start line.
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The alarm valve is generally within 1.8 meters above the ground, and the sprinkler head is determined according to the floor height, generally at least in the range of 2.5 to 3.5 meters.
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The working pressure of the water distribution pipeline should not be shouted at 1 20MPa, and other water facilities should not be set up The diameter of the pipeline should be determined by hydraulic calculation. The arrangement of the water distribution pipeline should make the pressure at the inlet of the water distribution sensitive Huaihui pipe equal. The pressure of the inlet of each water distribution pipe in the light hazard and medium hazard places should not be greater than 0 40MPa.
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Gate valves or butterfly valves should be installed up and down, as well as shock absorbers or soft joints.