I would like to know what are the special valves for water companies

Water company valves:

The water supply system is a water supply system in which the water plant transports the treated water to various water points through the municipal water transmission and distribution pipe network, and this process sometimes requires secondary pressurization. The pipeline is a pressure conveying pipeline, and the most used are gate valves, globe valves, ball valves, butterfly valves, check valves, soft connections, etc., and the coating and internal treatment of each valve must meet the requirements of drinking water sanitation license.

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 are the top ten domestic first-line valve brand manufacturers in 2022-2023, but for reference only: Suzhou Neway Valve Co., Ltd., Shanghai Guanlong Valve Machinery, Shanghai Qizhong Valve Manufacturing, 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.

The tap water valve generally refers to the civil valve, which is commonly used in ordinary households, such as gate valves, ball valves, and triangle valves, which are generally made of iron or copper. Because steel valves have the advantages of not being easy to rust and strong corrosion resistance, copper valves have gradually replaced iron valves. The surface of the triangle valve is basically electrogalvanized, which is not only used to control the flow of pipeline media, but also to play a decorative role.

Triangle valves are generally used for water supply with connecting pipes and inlet hoses, and there are also connecting pipes and inlet hoses for water heater water supply. Gate valves are basically used for the connection of pipes and water meters. Ball valves are used to connect pipes and water heaters.

Because the opening and closing of the ball valve is more convenient than the gate valve, the current connection between the pipeline and the water meter is mostly the ball valve.

The valves of water companies are generally butterfly valves and globe valves.

Gate valves, check valves, pressure reducing valves.

Suzhou Neway Valve, Shanghai Guanlong Valve, Shanghai Qizhong Valve, Sanhua, Chaoda, Shentong, Su Valve, Nanfang, Jiang.

First, the word Yao. You can refer to it, the quality service of these manufacturers is good. These are also the top ten brand enterprises that are currently recognized in China.

There are many kinds of tap water valves, such as ball valves, check valves, triangle valves, globe valves, regulating valves, etc.

1. The shut-off valve is mainly used to cut off the water flow.

2. The regulating valve is mainly used to adjust the pressure and flow of water. Noisy this.

3. The check valve is mainly used to close and open the valve to avoid the phenomenon of backflow and other phenomena such as water knowledge and filial piety.

4. The diverter valve is mainly used for the distribution of water flow.

5. The safety valve is mainly used for safety protection, preventing pipeline damage and so on.

However, there are only two kinds of water valves on the market in China, one is the ball valve, when the wrench and the water pipe are closed on the same horizontal line, and the 90 degrees twisted clockwise or counterclockwise is open. The other is the gate valve, which closes when the handwheel is rotating and the reversal is open. Note that the valve should not be tightened too tightly to avoid the screw slipping and falling off.

How to choose the water valve of the tap liter Mengxun:

1. See if the appearance is smooth and flawless. When purchasing, we should try to choose products with smooth surface, no trachoma, no sagging, no paint stripping, no burn marks, no exposed bottom, no black spots, and no pitting, so as not to affect the service life of the product.

2. Look at the thread and pipe connection. When purchasing, try to choose threads without depressions and broken teeth. In addition, it is necessary to pay attention to the length of the thread, generally DN15 thread, its effective length is 10mm.

3. Look at the valve pressure. When purchasing, you should look at the pressure on the valve body and handle, and then choose according to your own needs, so that you can choose the product you want.

When installing the waterway, the tap water valve will be used, the quality of the tap water valve is very important, which directly affects the service life of the later stage, many people do not know much about the types of tap water valves. Today, let's talk about what are the valves of tap water cracks.

1. The triangle valve is usually used in the water pipe and the water inlet pipe of the water nozzle or toilet water, and it is also used in the water inlet pipe of the water heater.

2. Gate valve, which is usually used to connect water pipes and water meters.

3. The ball valve is usually used to connect the water heater and the water pipe, and this switch is simpler to use than the gate valve, so it can also be connected to the water meter.

What are the materials of the water valves?

Generally, it is made of iron or copper. Copper is not easy to rust and has high oxidation and corrosion resistance, so now copper valves are slowly replacing iron slide closure valves. Most of these valves are galvanized on the surface, which not only controls the flow of media in the pipe, but also makes it more aesthetically pleasing.

How to choose a tap water valve.

1. See whether there is trachoma on the surface of the valve, whether the gloss of the valve table after electroplating is uniform, whether there is peeling, cracking or peeling, the surface after spraying is relatively fine and smooth, and there is no bottomless phenomenon, if there are these phenomena, it will affect the service life of the valve.

2. The thread inside the valve is to be connected with the pipeline, if the thread does not have a convex mark or segment tooth, it should be noted, so that the connection with the pipeline will not be sealed, and it will leak after a long time, so we must pay attention to the length of the thread, usually the length of the thread is about 1 cm.

3. The valve body of the gate valve and ball valve will be marked with the nominal pressure, and the appropriate one should be selected according to the situation of your own home when purchasing.

4. The triangle valve is divided into internal thread and external thread, you can buy the suitable one according to your own needs, you must pay attention not to buy cheap ones when buying, usually the lowest ones are made of zinc alloy, and they will be oxidized, corroded and even broken after a long time.

There are many types depending on what you are using in the ** Lili, what role you want to play, there are ball valves, shouting Ling gate valves, and intercepting Zheng Rotten Qi stop valves.

Butterfly valves, check valves. Wait.

There are elbow, straight-through, three-way, four-way and other valves.

Water valves and gas valves are both ball valves.

Water valves are corrosion-resistant, and gas valves are required to be resistant to high pressures.

Important parameters of gas valves:

There is no difference in structure, the main difference is that in terms of sealing, the sealing requirements of gas valves are relatively high, and in the process of opening, it will be safer because of the sealing material.

In principle, there should be no difference, but the air valve is better sealed than the water valve.

There is a master switch for water pipes at home, this switch is either installed indoors, or installed outdoors close to the home, if the main switch of water pipes is located indoors, it is generally installed in the corner of the kitchen, and if the main switch of water pipes is located outdoors, you can go downstairs to see the water valve well.