The control cabinet of the electric butterfly valve is faulty, the light is on, and the control knob

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.

Over the torque protection, contact the manufacturer of the valve.

You can directly contact the valve manufacturer you purchased to ask about the after-sales service, or ask our company's technology.

Tianjin Ertong Denso is quite expensive, why is there such a problem, ask the manufacturer directly!

Direct call to the after-sales department.

Dear, hello, I'm glad to answer for you, why no matter whether the valve is in place or the valve is closed, the switch indicator light is on. Kaifu only has two situations, one is the touch switch, it itself is normally open, press it just to give the circuit a control signal, like the host switch and restart button on the computer are like this, its light line and switch are separated. The light is taken on the circuit, so it will also light up after the switch is reset.

There is also a valve-controlled switch, it is to press to convert a state, so when you press the switch, although staring at the Peiran switch reset, but the switch valve inside is actually not in the back of the hall, its indicator light is generally connected in series on the switch, so it will also be on, this kind of switch is mostly used in the control part of electrical appliances If my help to you, please also give a like, your praise is my greatest support, I wish you a happy life, everything goes well, thank you for kissing.

Hello dear! The reasons why the electric valve on and off indicator light may be as follows:1

The motorized valve is either open or closed. This is the most common case, and if the motorized valve is currently in the open or closed state, it will cause the phase bond to dry up the indicator light. 2.

There is a fault inside the motorized valve. The motorized valve's indicator light can also be used to indicate if there is a fault inside the motorized valve. For example, if the control circuit inside the motorized valve fails, the indicator light may flash or change color, indicating that service is needed.

3.Poor contact of the power cord. If the power cord of the motorized valve is not in good contact, it may cause the switch indicator light to illuminate, but in fact the motorized valve is not working.

Therefore, it is necessary to check the contact of the power cord to ensure that the connection of the power cord is firm and reliable. 