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Electric Valve

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What is an Electric Valve?

 

A solenoid valve is an electromechanically operated valve, also known as a solenoid valve. Solenoid valves differ in the characteristics of the electric current they use, the strength of the magnetic field they generate, the mechanism they use to regulate the fluid, and the type and characteristics of fluid they control. The mechanism varies from linear action, plunger-type actuators to pivoted-armature actuators and rocker actuators. The valve can use a two-port design to regulate a flow or use a three or more port design to switch flows between ports. Multiple solenoid valves can be placed together on a manifold. Solenoid valves are the most frequently used control elements in fluidics. Their tasks are to shut off, release, dose, distribute or mix fluids. They are found in many application areas. Solenoids offer fast and safe switching, high-reliability, long service life, good medium compatibility of the materials used, low control power and compact design.

Pneumatic High Pressure Ball Valve
Pneumatic Pinch Valve

How does an Electric Valve Work?

 

Solenoid valves work by employing the electromagnetic coil to either open or close the valve orifice. When the coil within the solenoid is energised, the plunger is lifted or lowered to open or close the orifice.

 
The Five Main Features of Electric Valves

 

1. Plugged External Leakage and Controllable Internal Leakage Provide Safer Operation

Internal and external leakage can threaten the safety of your fluid or gas processing lines and the medium that flows through them. Other self-regulating valves often have stem valves that extend away from the equipment, making a potential point of damage. But solenoid valves have a rotating core controlled by electric, pneumatic, or hydraulic actuators, intended to solve the external leakage problem of valve stem dynamic sealing. Only solenoid valves use electromagnetic force to affect the steel core sealing in the magnet-isolation sleeve, and there's no dynamic sealing, so it's easy to block external leakage. It's not easy to control the torque of the solenoid valve, so internal leakage is prone to happen — even the head of the valve stem can be pulled off. The solenoid valve's structural form makes it easy to control and reduce internal leakage. Solenoid valves are exceptionally safe, and they're suitable for mediums that are corrosive, toxic, and of high or low temperature.

2. Simple Operation with Easy Network Connectivity

The solenoid valve's simple structure is easy to install and maintain compared to other types of actuators such as sanitary regulating valves. What is more significant is that the composition of the automatic control system is much simpler and more cost-effective. As electro-mechanic switch signals control the solenoid valve, it's very convenient to connect it to computers. In today's world, where computer automation is widespread, the advantages of solenoid valves are even more apparent.

3. Lightweight Responsiveness & Energy-Saving Performance

Solenoid valves have response times as short as several milliseconds. Even the pilot solenoid valve can reach a response time in the tens of milliseconds. Due to self-looping, they're more sensitive than other self-control valves, and the coil power consumption of a well-designed solenoid valve is very low. These energy-saving products can also be configured so that only one needs to trigger an action, and the valve positions are automatically kept. Plus, solenoid valves are small and lightweight, making them easy to install and maintain.

4. Limited Regulation Accuracy & Applicable Mediums

Usually, solenoid valves only have two states — "open" and "closed." The valve core can only be in two extreme positions, and continuous regulation is impossible. Therefore, the regulation accuracy is very restricted. Solenoid valves have a high requirement for the cleanliness of the medium. Mediums containing particles, viscous mediums, and mediums that are high in suspended solids are not compatible with solenoid valves.

5. Versatile Performance & Wide Application Range

Although solenoid valves have some inherent disadvantages, its advantages are still very prominent. Solenoid valves are designed into a variety of products to meet various needs. They have a wide range of uses in applications like medical, dentistry, industrial, automotive, and more. The technological progress of solenoid valves centers around how to overcome inherent disadvantages and how to utilize its advantages better.

 

 
Components of Electric Valve
Valve Body
This is the main functioning part of the solenoid valve, and includes the input-output ports, valve seats, and the orifice that controls the flow.
Electrical Solenoid Coil
The electromagnet made from copper windings which influences the plunger motion when energised.
Coil Enclosure, Housing or Tube Assembly
Typically, a cylinder of non-ferrous metal, sealed at one end, which provides the channel within which the plunger moves in response to electromagnetic forces.
Other Components
You might find in more advanced systems include various arrangements of DIN terminals and connectors. This provides numerous options for subsequent output signals and onward controls to influence a range of behaviours further along in the system.

The Common Types of Electric Valve

 

 

Pneumatic Flange Pinch Valve

Electric Globe Valve

Electric globe valves are a type of control valve that are used for regulating flow or pressure, and can also be used to completely shut off flow. They are often used in basic water faucets. When choosing a globe valve, you can consider things like the fluid type, flow rate, pressure, temperature, and installation requirements.

Electric Lining Fluorine Ball Valve

Electric Ball Valve

Electric ball valves are a type of valve that uses an electric motor and gears to control the flow of liquids and gases. They are also called motorized ball valves and are commonly used as electric water ball valves or for heating units. Electric ball valves are more energy efficient than pneumatic ball valves, which require compressed air to operate.

Electric Heavy Duty Pinch Valve

Electric Butterfly Valve

An electric butterfly valve is a type of flow control valve that regulates the flow of materials, gases, and fluids through a circular pipe or tube. It has an electric actuator that is powered externally to open and close the valve.

Explosion-Proof Electric Stainless Steel Insulated Ball Valve

Electric Gate Valve

Electric gate valve, as the name suggests, is to control the gate valve with an electric actuator, which is mainly. electric stainless steel gate valve. divided into an upper part and a lower part. The upper part is an electric actuator, and the lower part is a gate valve.

Electric Sanitary Clamp Ball Valve

Electric Diaphragm Valve

An electric diaphragm valve uses flexible membranes to control the flow of a system. The valve's position changes based on pressure fluctuations. It's suitable for applications where contamination or leakage is a concern.

Odl Electric Three Eccentric Butterfly Valve Switch Type

Electric Solenoid Valve

A solenoid valve is an electrically controlled valve. The valve features a solenoid, which is an electric coil with a movable ferromagnetic core (plunger) in its center. In the rest position, the plunger closes off a small orifice. An electric current through the coil creates a magnetic field.

Pneumatic Fluorine Lined Ball Valve

Electric Pinch Valve

An electric pinch valve is a type of valve that controls the flow of liquids and gases using a flexible tube or sleeve. The tube is pinched closed by a mechanism to regulate the flow of fluid.

Pneumatic UPVC Diaphragm Valve

Electric Plug Valve

Electric Plug valves are rotational motion valves, similar to ball and butterfly valves. The greatest advantage with plug valves is that they can be used for multiport applications, where flow can be diverted in several directions and the flow direction can be changed quickly.

Our Certificate

 

201903131647139906681
CE EX for valve actuator
201904150943378510703
ISO9001:2015
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ODL OHQ CE
201903131650059492132
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Ultimate Guide for Electric Valve

Q: What is the difference between electric valve and solenoid valve?

A: Typically, solenoid valves require power to open or close and more power to hold the valve in its energized state. Electric ball valves, though, only use power to open or close and don't require power to stay in that position. However, there are solenoid valve designs that do not require power to stay in that position.

Q: How does an electric ball valve work?

A: Generally, electric ball valves convert the electrical energy into rotary force using the electric motor thus turning ball valves. It is the most efficient mode of controlling valves due to the clean electric energy and quiet mode of turning valves.

Q: What is a solenoid valve?

A: A solenoid valve is an electromechanical device used to control the flow of various fluids, such as liquids or gases, through a pipe or tubing system. It consists of a solenoid, which is an electrical coil wound around a movable metal core, and a valve body that contains an orifice or port through which the fluid flows.

Q: What are solenoid valve applications?

A: Solenoid valves are commonly used in various applications, including industrial processes, automation systems, HVAC (heating, ventilation, and air conditioning) systems, water treatment, irrigation systems, and many others. They provide precise and reliable control over fluid flow, allowing for automation and remote operation in many systems. heir versatility, reliability, and precise control make them indispensable in various industries and systems that require fluid flow control.

Q: Can solenoid valves be partially open?

A: Solenoid valves are usually NO or NC and a valve that is partially open would be considered not working correctly. But there are special valves that can be partially open. allowing for adjustable or modulating flow control. These types of solenoid valves are often referred to as proportional solenoid valves. Proportional solenoid valves offer precise control over the flow rate by varying the position of the valve mechanism in response to an input signal. The input signal, usually an electrical current or voltage, controls the strength of the magnetic field generated by the solenoid. By adjusting the strength of the magnetic field, the position of the valve mechanism can be modulated to achieve a desired flow rate.
It's important to note that not all solenoid valves are designed to be partially open. The majority of solenoid valves operate in an on/off manner, meaning they are either fully open or fully closed.

Q: What is solenoid valve working principle?

A: The working principle of a solenoid valve is based on the conversion of electrical energy into mechanical motion using the interaction of electricity and magnetism. A solenoid valve consists of a solenoid coil, a movable plunger or core, and a valve body with an orifice or port. When an electric current is applied to the solenoid coil, it generates a magnetic field. This magnetic field attracts or repels the movable core, causing it to move within the solenoid. The movement of the core opens or closes the valve, allowing or blocking the flow of fluid through the orifice. By controlling the electrical current to the solenoid coil, the valve can be activated or deactivated, providing precise control over fluid flow. The solenoid valve operates as an electromechanical switch, converting electrical signals into mechanical action to control the flow of liquids or gases in a wide range of applications.

Q: How does an electric globe valve work?

A: An electric globe valve regulates flow by moving a disc up and down to vary the size of the flow passage.

Q: What is the function of electric ball valve?

A: The main use of the electric ball valve is to control the flow of different types of gasses and liquids. It is part of a fluid transport system that will either allow flow or block the flow of fluids through the pipes.

Q: What is electric butterfly valve?

A: The electric butterfly valve is composed of an electric actuator and butterfly valve, so it has the advantages of easy operation and simple structure commonly seen in sanitary butterfly valve. It can also be widely used in chemical, pharmaceutical, and other industries.

Q: What is electric gate valve?

A: Electric gate valve refers to the linear movement of the electric gate valve actuator through electric voltage and signal control to open or close the gate valve. Electric gate valves can help you achieve the purpose of remote control, help you reduce labor costs, and improve production efficiency.

Q: What does an electric valve do?

A: Electric valves are generally used for regulating, and also for switching, such as in the fan coil terminal. The general flow coefficient and the working pressure difference of the solenoid valve are small. The solenoid valve is driven by the electromagnetic coil, which is easily damaged by voltage impact.

Q: What is the principle of electric valve?

A: Solenoid valves are control units which, when electrically energized or de-energized, either shut off or allow fluid flow. The actuator takes the form of an electromagnet. When energized, a magnetic field builds up which pulls a plunger or pivoted armature against the action of a spring.

Q: What are the components of electronic valve?

A: The solenoid valve consists of a coil, a plunger, and a valve seat. The coil is an electrical component that generates a magnetic field when an electric current is passed through it. The plunger is a movable component within the coil that is attracted or repelled by the magnetic field.

Q: What is electrically operated valve?

A: Electric quarter-turn valve actuators are electro-mechanical devices that are used to remotely control quarter-turn valves, such as ball and butterfly valves. Compared to their pneumatic and hydraulic counterparts, electric valve actuators provide a more energy-efficient, clean, and quiet method of valve control.

Q: What is the other name of electronic valve?

A: Solenoid valve. A solenoid valve is an electromechanically operated valve.

Q: What is the difference between electric and pneumatic valve?

A: Electric valve actuators are suitable for applications that require precision, feedback, and digital control, such as modulating valves or complex systems. In contrast, pneumatic valve actuators are better for applications that require speed, torque, and safety, such as on-off valves or harsh environments.

Q: What are the advantages of electric hydraulic valves?

A: They are clean, versatile and have relatively low lifecycle costs. They also match hydraulic actuators in terms of handling loads and shocks. Electro-hydraulics are now used in a range of heavy load-handling applications in outdoor equipment, marine, military, aerospace and many other fields.

Q: How does an electronic water valve work?

A: The valve features a solenoid, which is an electric coil with a movable ferromagnetic core (plunger) in its center. In the rest position, the plunger closes off a small orifice. An electric current through the coil creates a magnetic field. The magnetic field exerts an upwards force on the plunger opening the orifice.

Q: What is the difference between electric valve and solenoid valve?

A: Typically, solenoid valves require power to open or close and more power to hold the valve in its energized state. Electric ball valves, though, only use power to open or close and don't require power to stay in that position. However, there are solenoid valve designs that do not require power to stay in that position.

Q: How are electric valves typically powered?

A: Electric valves are powered by electricity, and the actuator receives signals to open, close, or modulate the valve as needed.

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