As an innovative enterprise supported by the state, Hengsen has been committed to the development and improvement of products for more than 20 years. Our company mainly produces HVAC, pipe fitting and refrigeration fitting. Only by constantly innovating, constantly updating and improving products, can we always stand at the leading position in the industry. Up to now, Hengsen has obtained a number of product patent certificates and won provincial and national innovation awards for many times.
Contents
1. Overview of solenoid valves
1.1 Working principle and structural features
1.2 Main application areas
2. Overview of electric ball valves
2.1 Working principle and structural features
2.2 Main application areas
3. Comparison of working principles of solenoid valves and electric ball valves
4. Differences in structural design and material selection
5. Comparison of application advantages and economic benefits
5.1 Control accuracy and response speed
5.2 Durability and maintenance cost
5.3 Energy consumption and environmental adaptability

1. Overview of solenoid valves
1.1 Working principle and structural features
A solenoid valve is a valve that uses electromagnetic force to achieve fluid switching control. Its core part is composed of a coil, an iron core, an armature and a valve body. When the electromagnetic coil is energized, a magnetic field is generated to move the armature, thereby driving the valve core to achieve switching action; after power is off, the spring or gravity restores the valve core to its original position. The solenoid valve has a sophisticated design, a small size, a fast response speed, and is easy to control. It is suitable for occasions where fluids need to be switched quickly. Micropores or special processing technology are usually used inside, so that low noise, low energy consumption and high sealing performance can be maintained.
For specific solenoid valve product technical information, please refer to the solenoid valve page of Hengsen's official website https://www.hengsen-sc.com/.
1.2 Main application areas
Solenoid valves are widely used in heating, ventilation and air conditioning (HVAC), water treatment, automation equipment, food and beverage, medicine and chemical industry. Due to its fast response speed and simple structure, it is suitable for frequent switching and low flow precision control occasions. Especially in occasions where rapid switching and precise control of liquid or gas flow are required, solenoid valves can effectively meet the requirements of industrial automation.


2. Overview of electric ball valves
2.1 Working principle and structural characteristics
Electric ball valve is a valve that uses an electric actuator to drive the ball in the valve to rotate to achieve fluid control. Its core structure is a ball, a valve body, a sealing ring and an electric actuator. When the electric actuator is powered on, the ball is rotated 90 degrees around the axis through a rotating mechanism to achieve the purpose of opening or closing. Compared with traditional manual ball valves, electric ball valves have the advantages of automation, remote control and precise adjustment. Electric ball valves are compact and easy to operate. They can maintain stable sealing performance and durability under complex working conditions such as large flow, high pressure and high temperature. For more relevant technical information, please refer to the electric ball valve page of Hengsen's official website.
2.2 Main application areas
Electric ball valves are mainly used in water supply systems, HVAC systems, chemical processes, oil and gas pipelines and other occasions that require precise flow regulation. They are often used in large-diameter, high-flow pipelines, and have significant advantages in occasions that require automatic control and remote monitoring. In addition, electric ball valves are widely used in strict industrial and civil pipeline systems due to their good sealing and durability.
3. Comparison of the working principles of solenoid valves and electric ball valves
There are significant differences in the working principles of the two valves:
Solenoid valve: It mainly relies on the electromagnetic coil to generate a magnetic field to drive the armature to move, so that the valve core can be opened and closed. It has fast action and sensitive response, which is suitable for frequent switch control. The spring recovery mechanism is often used in its structure to ensure that it can quickly restore to the initial state after power failure.
Electric ball valve: It relies on the electric actuator to drive the ball to rotate to control the fluid on and off. Its operation process is usually relatively smooth, and it can achieve precise adjustment from full opening to partial opening. During the conversion process, the electric ball valve has good sealing and flow control characteristics due to the fixed rotation angle of the ball.
In practical applications, solenoid valves are more suitable for occasions that require fast switching and low flow, while electric ball valves are more suitable for high flow, large diameter or conditions that require flow adjustment. The working principles of the two determine their different advantages in response speed, sealing performance, durability and application occasions.
4. Differences in structural design and material selection
In terms of structural design, there are the following main differences between solenoid valves and electric ball valves:
Structural design of solenoid valves
Coil and armature design: The core components of the solenoid valve are the solenoid coil and the armature, and the design focuses on the uniform distribution and rapid response of the magnetic field. The structure is relatively simple, usually with a compact design, which is convenient for high-speed switching in a limited space.
Valve core and spring structure: The valve core inside the solenoid valve is generally used in combination with a spring to ensure that it can quickly return to its original position when the power is off. The sealing material usually chooses rubber or polymer, which not only ensures sealing but also has a certain degree of flexibility.
Material selection: Copper alloy, aluminum alloy and other materials with good magnetic conductivity and corrosion resistance are often used to ensure long-term stable operation.
Structural design of electric ball valve
Ball and seat structure: The core component of the electric ball valve is the ball, and its design requires precision machining to ensure a good seal with the valve seat during rotation. The surface of the ball is generally precision polished to ensure low friction and excellent sealing.
Electric actuator: The electric ball valve is equipped with an electric actuator, usually a stepper motor or a DC motor, which transmits the rotational motion to the ball through gear transmission to achieve precise control.
Material selection: In order to adapt to high pressure and high temperature conditions, the valve body, ball and valve seat of the electric ball valve are often made of stainless steel, cast iron or high alloy materials. These materials have high wear resistance and corrosion resistance, which can effectively improve the service life.
Through different structural designs and material selections, the two valves play their respective advantages in their respective application scenarios: the solenoid valve is suitable for fast switching and precision control, while the electric ball valve pays more attention to sealing and durability, and is suitable for the control of large flow and complex working conditions.
5. Application advantages and economic benefits comparison
In practical applications, solenoid valves and electric ball valves each have different advantages and benefits. The following is a comparative analysis from several key aspects:
5.1 Control accuracy and response speed
Solenoid valve:
Fast response speed: Due to the electromagnetic effect, the response time of power on and off is usually within a few milliseconds, which is suitable for occasions that require fast switching control.
Precision switch: In the automation system, the solenoid valve can achieve accurate opening and closing control to ensure the stable operation of the fluid system.
Electric ball valve:
Flexible adjustment: Although the response speed is slightly slower than the solenoid valve, the electric ball valve can achieve continuous control from full opening to partial adjustment, which is more suitable for application scenarios that require flow adjustment.
Good stability: Due to the reasonable design of the mechanical transmission part, its switching process is smooth, which is suitable for industrial pipeline systems with high control accuracy requirements.
5.2 Durability and maintenance cost
Solenoid valve:
Simple structure: Due to the simple internal structure, the failure rate is low, but the spring and electromagnetic coil may be worn under long-term high-frequency switching, and regular maintenance is required.
Relatively low maintenance cost: In most low-flow and low-load situations, its maintenance cost is relatively economical, and it is suitable for automation equipment that requires high-frequency switching.
Electric ball valve:
High resistance to high pressure and wear: Suitable for high-load and high-flow conditions, good sealing performance, and can effectively prevent leakage.
Long maintenance cycle: Due to the complex mechanical structure and long service life, the maintenance cycle is relatively long, which reduces the downtime and economic losses caused by frequent replacement.
5.3 Energy consumption and environmental adaptability
Solenoid valve:
Low energy consumption: Under normal working conditions, the solenoid coil of the solenoid valve has low energy consumption, which is suitable for energy-saving systems.
Environmental adaptability: Suitable for working conditions with small changes in temperature and humidity, but additional protection measures may be required in extreme environments (such as high temperature or highly corrosive media).
Electric ball valve:
Wide range of application: Due to the use of electric actuators and high-strength materials, electric ball valves can adapt to high temperature, high pressure and corrosive media environments.
Slightly higher energy consumption: Due to the large amount of electrical energy required to drive the electric actuator, it still has a high energy efficiency ratio under large flow conditions in general.
In general, the two valves have their own advantages in economic benefits: solenoid valves are more advantageous in low power, fast response and frequent switching control, while electric ball valves perform better in high flow, high load, high temperature resistance and complex environments, and their long-term maintenance costs are lower, which is conducive to reducing the overall system operating costs.
FAQ
1. Will the voltage fluctuation of the 3 8 solenoid valve 12v affect the work?
Yes, voltage fluctuation may cause the solenoid valve to not work properly. It is recommended to use a voltage regulator in the power supply line to ensure that the solenoid valve receives a stable voltage.
2. Is it normal for the coil of the 3 8 solenoid valve 12v to heat up?
It is normal for the solenoid valve coil to heat up after power is turned on, but the temperature should not be too high. If the temperature is found to be abnormal, it may be due to continuous power-on time for too long or voltage mismatch. It is recommended to turn off the power and cool down in time.
3. What is the difference between the normally closed type and the normally open type of the 12V solenoid valve?
The normally closed solenoid valve automatically closes when the power is off, which is suitable for applications to prevent fluid leakage; the normally open type remains open when the power is off, which is suitable for occasions that require continuous flow. Choose the appropriate type according to the specific application.
4. Can the solenoid valve adjust the flow?
The 12V solenoid valve is mainly used for the opening and closing control of the fluid and does not have a precise flow adjustment function. If the flow needs to be adjusted, it is recommended to use a proportional solenoid valve.
5.Q: Is it energy efficient?
A: Yes, electric ball valves are energy efficient because they only use electricity when it is needed to adjust the valve position. Many actuators are designed with low energy consumption in mind.
6.Q: Can it be used in high pressure systems?
A: Yes, many electric ball valves are designed to handle high pressure and high temperature environments, making them suitable for demanding industrial applications.
7.Q: How long will it last?
A: Due to its sturdy construction, it can last for many years as long as it is properly maintained. We are currently using brass valves and will be launching new stainless steel valves in the future. Please pay attention to Hengsen's news for specific times.

