Is the electric two way valve a solenoid valve and what is the function of the electric two way valv

The electric two-way valve is driven by the motor to drive the valve stem to drive the valve core action, and the electric two-way valve is divided into (shut-off valve) and regulating valve.

The shut-off valve is a two-position operation, that is, fully open and fully closed, and the regulating valve is to install an electric valve positioner on it, and the valve is dynamically stabilized in a position through closed-loop adjustment. Solenoid two-way valves are solenoid coils.

After the power is on, the magnetic attraction is generated to overcome the pressure of the spring and drive the valve core to move, which is a solenoid coil, which is simple in structure and cheap, and can only realize the switch; Uses of electric two-way valve and solenoid two-way valve:

Solenoid two-way valve: used for on-off control of liquid and gas pipelines, it is two-position DO control. It is generally used for the control of small pipes. Electric two-way valve: used for the analogue flow of media in the pipes of liquid, gas and wind systems.

Adjustment, is AI control. In the control of large valves and wind systems, electric valves can also be used for two-position switch control.

Solenoid two-way valve: it can only be used as a switch, it is DO control, it can only be used for small pipeline control, it is common in DN50 and below pipelines, and there are very few above.

Electric two-way valve: can have AI feedback signal, can be controlled by DO or AO, compared to large pipes and dampers, etc. 1.Switch form:

The solenoid two-way valve is driven by a coil and can only be opened or closed, and the action time is short when opening and closing.

The drive of the electric two-way valve is generally driven by a motor, and it takes a certain amount of time to simulate the opening or closing action, which can be adjusted.

Solenoid two-way valves generally have a very small flow coefficient and a very small working pressure difference. For example, the flow coefficient of a 25-caliber solenoid two-way valve is much smaller than that of a 15-caliber electric ball valve. The solenoid two-way valve is driven by a solenoid coil, which is more easily damaged by voltage shock.

It is equivalent to the role of the switch, which is the two functions of opening and closing.

The electric two-way valve is generally driven by a motor, which is more resistant to voltage shock. The solenoid two-way valve is quick to open and fast to close, and is generally used in places with small flow and small pressure, and requires a large switching frequency. The opening of the electric two-way valve can be controlled, and the state is open, closed, half-open and half-closed, which can control the flow of the medium in the pipeline and the solenoid valve can not meet this requirement.

The electromagnetic two-way valve can be reset when the power is off, and the electric two-way valve needs to add a reset device to such a function.

The solenoid two-way valve is suitable for some special process requirements, such as leakage, special fluid medium, etc., which is more expensive. Electric two-way valves are generally used for adjustment, but there are also switching quantities, such as fan coil units. Extremity.

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.

The function of the electric two-way valve is to change the temperature of the medium.

The electric two-way valve consists of a temperature sensor, a proportional integral temperature controller and an electric control valve, which is a temperature control system for air supply and a temperature sensor installed in the return pipe.

The detected temperature signal is transmitted to the temperature controller, and the temperature controller continuously compares the detected value of the temperature sensor with the set value, and continuously outputs the signal at the same time, and controls the opening connection of the electric control valve to be adjusted, so that the ambient temperature measured by the temperature sensor is kept within the set temperature range.

Normally closed: when the coil is energized, the pilot valve core is engaged, the pilot hole is opened, the upper cavity of the valve is relieved, the piston is pushed by the medium pressure of the lower cavity, and the solenoid valve is opened; When the coil is powered off, the pilot valve core is reset by the spring, the pilot hole is closed, and the valve upper cavity is pressurized by the piston throttle and the thrust of the return spring, and the solenoid valve is closed.

Normally open: When the line is powered on, the pilot hole is closed, and the valve upper cavity is pressurized by the piston throttle hole and the thrust of the return spring, and the solenoid valve is closed. When the coil is powered off, the pilot valve core is reset by the spring, the pilot hole is opened, the upper cavity of the valve is relieved, the piston is pushed by the medium pressure of the lower cavity, and the solenoid valve is opened.