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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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I don't know which part you mean by bad? Is there a **?
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Two years, generally after the warranty period, mainly depends on how the original contract for quality is agreed, even after the warranty period, you can still contact the manufacturer for maintenance.
Generally, responsible manufacturers will still deal with it with all their hearts.
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It's a normal thing, there is no valve that is not broken, just change it.
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If it is central heating, let the heating company personnel open the valve to test the water after paying the fee, check whether the radiator is leaking, if there is a blockage and the exhaust is still not hot, you must ask a professional cleaning company to clean it. If it is a wall-hung boiler that is heated separately in your own home, first carry out a pressure test of 8kg without leakage, and then rinse to check whether it is blocked. Thousands of industries are cleaned.
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Fill the water and try the pressure, no problem with tap water to rinse and circulate, how can there be a problem to deal with**, no problem can be used,
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The valve inside the water meter is closed, and if there is any arrears, either the battery is dead, or it is broken, or it may be blocked.
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It may be that the water pressure is not enough, there is no water under the high floor, and the valve is broken, and the bolts inside are worn off, which is to loosen the side of the valve, which leads to the closure and can no longer be opened.
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It is the main water valve that closes at home, while the main valve outside is shared, and the faucet in your house will naturally drip all the time, and the water dripping out is public.
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Turn off the main valve, go buy a valve and a roll of raw material tape, remove the old one, replace it with a new one, remember to wrap it in raw material tape, if you don't have tools, it is not good, the most uplifting is a vice or wrench, if not, only find a waterman to come View the original post
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1. If the solenoid valve of the gas water heater is damaged, it will cause no gas supply, and generally it cannot be ignited.
2. In the case of determining the ignition is normal, remove the solenoid valve (close the air source), and then turn on the micro switch, the igniter will ignite, at this time, gently press the rubber pad of the solenoid valve with your hand, the solenoid valve will be engaged, because there is no combustion, about 10 seconds or so The core of the solenoid valve will pop out, if so, it should be good.
3. If it can't be engaged, it may be that the battery is old or there is a problem with the ignition.
4. The solenoid valve fault is roughly divided into the valve body, and the solenoid coil, the valve body failure is not tightly closed, the opening is not in place or does not act at all, which can be repaired by manual opening, and then there is the coil, which can be observed by whether the appearance is burned, whether there is a mushy smell, whether it is hot to touch, measure the coil value with a table, and compare it with the same original to see if it is the same.
5. The easiest way to judge is whether the solenoid valve has a sound of sucking, that is, a "snap", if there is no sound, it is broken.
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When you are at home, that is, during the peak period of hot water at home, keep the water heater power on, the air valve is open, as long as the water heater is not watered, it will not start, when you use it, you only need to turn on the hot water faucet, and the water heater will start automatically. There is no one at home, it is recommended to turn off the power of the water heater, without electricity, the solenoid valve in the water heater will not open, there is no danger of leakage. There is no one at home for a long time, such as traveling, spending a long vacation, closing the air valve, turning off the power, and the plug does not need to be unplugged (this is for the northern model, some are anti-freezing, the temperature is too low will automatically start the heating device, if the plug is unplugged, the heating will not start automatically, and there will be no protective measures, the temperature at home is too low will freeze and crack the water heater water pipe), you can also let go of the remaining water in the water heater, the specific operation refers to the manual, there must be this item, in this way, the plug can also be unplugged.
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There are many kinds of valves inside the gas water heater, but the main one is to control the failure of the gas. In the vast majority of cases, a faulty valve simply makes the machine not working properly.
Only if the solenoid valve is not tightly closed, when the gas can enter the combustion chamber first when the water heater is running, it is very likely that there will be ignition fire or **. When this happens, the ignition is terrifying, and many users are terrified.
Servicing is as simple as replacing or repairing the springs, or replacing the solenoid valve**.
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Gas valves generally have a small diameter, good sealing and high pressure resistance. New gas valves are generally not safe to use in waterways.
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The easiest way is to remove the lid and press directly on the inside to solve the problem.
The iron button should have a hole in the center that is connected to the inner valve body with screws. Just put the screws back on.
If your valve is one, then there is no way but to replace it with a new one.
The toilet outlet button is a wearing part, and it is generally necessary to replace it with a new one after a few years of use, and the higher toilet bowl will be used for a longer time, and the lower one will be replaced in 2-3 years.
You can buy toilet sewer accessories at the decoration material store, but sometimes they are sold in sets, you can buy a set of sewer accessories, all of them are replaced with new ones, ** is not high, you can buy it for dozens of yuan. Replacement Method:
1. Stop the toilet bowl and put the water clean.
2. The button on the cover is very easy to replace, and there are fixed plastic parts on the back of the launching button, which are all threaded and buckled, and you can unscrew it in the counterclockwise direction, and then put the new one on it, and then tighten it in the clockwise direction.
3. After the water in the toilet tank is cleaned, the drain fitting is also twisted counterclockwise for 1 4 turns, and the drain fitting is loosened, then take it down, screw the new one in a clockwise direction, and then cover the lid with a button on the toilet, and it will be replaced, and the water can be used normally.
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