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Electric Control Valve

Huizheng: Professional Electric Control Valve Manufacturer

Huizheng Automatic Control Valve Group Co., Ltd. is a professional manufacturer of automatic control valves, a key component of industrial automation systems, integrating R&D, design, manufacturing and sales. Pneumatic control valves, electric control valves, self-operated control valves, ball valves, eccentric rotary valves, slide valves, manual control valves, butterfly valves, gate valves, globe valves, etc.

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Why Choose Us

Professional Team
The company has over 20 professional valve engineers, 5 quality inspection engineers, and 7 after-sales engineers, ensuring fast calculation and efficient drawing capabilities; the sales and service team comprises over 30 people, providing efficient quotation services.

Quality Certification
The company has obtained ISO triple certification, TS special equipment production license, EU CE certification, EAC certification, API-6D, API-609, TUV-SIL3 certification, fire protection certification, and TUV low leakage rating certificate.

Advanced Equipment
Equipped with various large and medium-sized production equipment such as CNC numerical control, intelligent machining centers, and robotic arms, as well as testing equipment such as flaw detection, tensile testing, and spectrometers, it possesses reliable processing and testing capabilities.

Global Markets
Business scope: Russia, India, United States, Brazil, Pakistan, Nigeria, Bangladesh, Mexico, Japan, Philippines, Ethiopia, Egypt, Vietnam, Germany, France, Italy, etc.

Types of Electric Control Valve

Electric Single-seat Regulating Valve
Electric single-seat control valve adopts top guide structure, compact valve body structure, S-streamline fluid channel, small pressure drop loss, large fluid volume, wide adjustable range and high flow characteristic accuracy.

Electric Sleeve Regulating Valve
Electric control valve adopts cage guide, pressure balance type double sealing surface and single sealing surface structure, it is a balance type control valve.

Electric Double-seat Regulating Valve
Electric double seated control valve adopts double guide structure, compact valve body structure, S streamlined fluid channel, small pressure drop loss, large flow volume, wide adjustable range and high flow characteristic accuracy.

Electric Three-way Regulating Valve

Three-way mixing/diverting valve is mainly used to divide one inlet fluid into two outlet fluids or combine two inlet fluids into one outlet fluid.

Electric High-temperature Control Valve

Electric high-temperature control valve has the advantages of tight closing, compact structure, light weight and convenient maintenance.

Electric Cryogenic Control Valve

Electric Cryogenic control valve is mainly used for precise regulation of ultra-low temperature media, with temperatures as low as -196°C.

Parameters

Size:	DN20~DN600 1/2"-24"
Pressure:	PN1.6MPa~ PN42.0 MPa 150LB-2500LB JIS 10K ~JIS 40K
End connection:	RF RJ ,BW
Bonnet type: Normal type(P)：	－45～＋250℃
Extend type with I type-High temperature type(EI)：	＋250～＋566℃
Extend type with EII type--cryogenic type(EII)：	－45～－196℃
Electric actuator:	381L electric actuator,PSL electric actuator, Intelligent electric actuator or other specified actuator
Function:	Cut-off type , regulating type,explosion proof and so on
Control signal:	4-20mA,1~5V DC
Power:	DC 24V;AC-24V,110V,220V,380V
Leakage class:	Class IV(stand type ) class V, class VI

Materials Of Electric Control Valve

An electric control valve is available in the following materials:

WCB, WC6, LCB, CF8, CF8M, CF3M, and LCB
A105, F304, F316
Duplex stainless steel
316Ti, 304, 304L, 316, 904L, and 316L stainless steel
Monel
Hastelloy (Special Materials on Request)

You can contact our production team members to customize the electric control valve in any material to meet your industrial requirements. The selection of material is made by analyzing your requirements and mintended industrial applications.

Components of Electric Control Valve

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Advantages Of Electric Control Valve

High Accuracy And Repeatability

Electric control valves enable precise flow control, which is important for applications that require tight control of process parameters. Repeatability ensures the consistency of each operation, which allows the experimental and production process to remain stable.

Security

By reducing manual intervention, electric control valves reduce operating risks, especially in hazardous or toxic environments. The electric control valve can be equipped with a complete safety system, such as an emergency shutdown function, to further improve safety.

Maintenance

Electric control valves have fewer moving parts, reducing the possibility of wear and failure, thereby reducing maintenance needs and costs. Some electric control valves also have self-diagnostic functions to detect and report potential problems for timely maintenance.

Lower Operating Costs

Electric control valves are generally more energy efficient, especially in applications that require frequent switching or flow regulation. By reducing maintenance and increasing efficiency, electric control valves help reduce overall operating costs.

Application of Electric Control Valve

Industrial Manufacturing
Electric control valves find extensive use in various industrial manufacturing processes, including chemical, petroleum, pharmaceutical, and food industries. They facilitate automation and precise control, enhancing production efficiency and quality.

Energy Sector
In the energy sector, electric control valves play a vital role in fluid control systems of power plants, including thermal, nuclear, and hydroelectric facilities. They ensure the safe and stable production of energy resources.

Environmental Protection
Electric control valves contribute significantly to environmental protection efforts by controlling fluid flow in wastewater treatment, air pollution control, and environmental monitoring systems. They help in precise regulation and treatment of environmental pollutants.

Building Automation
Within building automation systems, electric control valves are utilized in heating, ventilation, and air conditioning (HVAC) systems, optimizing energy utilization and improving comfort levels in buildings.

Residential and Commercial Services
Electric control valves are also integral to residential and commercial services, such as automatic watering systems, intelligent irrigation systems, and plumbing applications, providing convenience and comfort to users.

Installation Requirements

01/

Ensure the valve is installed in proper alignment with the pipeline to avoid any mechanical stress.

02/

Check the voltage, frequency, and grounding requirements of the electric actuator to ensure proper operation. Always follow the manufacturer's specifications for wiring and power requirements.

03/

Ensure a tight connection between the electric control valve and pipeline, implementing suitable sealing measures to prevent leaks.

04/

Select appropriate connection methods such as flange connection, threaded connection, or welded connection based on the valve’s model and specifications.

05/

After installation, calibrate and tune the electric control valve to ensure it operates according to predetermined parameters.

06/

Adjust parameters according to actual conditions to meet system requirements.

Control Valves: A Comparison of Electric, Pneumatic Types

Key Comparison	Motorized Control Valves	Pneumatic Control Valves
Power source	Electricity	Compressed air
Control accuracy	High, suitable for precise adjustment	Higher, but slightly lower than motorized control valves
Response speed	Slower for non-emergency operation	Faster for quick switching and emergency operation
Installation complexity	Requires power supply and control system	Requires air supply and piping
Maintenance costs	Lower, simple maintenance for motorized actuators	Higher, regular maintenance for pneumatic systems
Environment	Clean, dry environment	Suitable for humid, dusty or explosive environments
Cost	Higher initial cost, lower operating cost	Lower initial cost, higher operating cost

Order Process

Inquiries: Please contact our sales staff via Email: marketing@huizvalve.com, Tel: +86-577-21815171, Mob: +8613968952368 and provide your requirements and quantity. Our sales representative will contact you within 24 hours.

Quotation: We will provide you with a quotation based on the detailed specifications you provide.

Contract confirmation: We will provide you with the correct contract details by email.

Terms of payment

By T/T 30% in advanced, balance before shipment.

Production

After both parties sign the agreement, we will proceed to mass production.

Shipping

Detailed picture of package will be provided.

Track your order

We will send you an email with the order detail and tracking No. when the order shipped, you can confirm it and will get it soon.

Our Certificate

It holds over 30 utility model patents and 5 invention patents, with more still being added. It has also participated in drafting 3 national standards and 1 group standard.

FAQ

Q: Can electric control valves operate during a power outage?

A: Some electric control valves have fail-safe features. These move the valve to a safe spot if the power goes out. Manual overrides let you move the valve without electricity.

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

A: A solenoid valve is for fast, simple ON/OFF control using a magnetic coil. An electric control valve uses a motor and gears to provide precise, adjustable control (modulation). Use electric control valves when you need to regulate variable flow, not just stop it.

Q: Can I mount an electric control valve upside down?

A: No, we do not recommend this. Installing the actuator underneath the valve can lead to fluid leaking down into the electronics. Always install it vertically or at a 45-degree angle for the best lifespan.

Q: Can electric control valves be used outdoors?

A: Yes, many electric control valves can be used outside. They have special covers to keep out rain, dust, and heat or cold. Always check the IP or NEMA rating before putting a valve outdoors.

Q: How does an electric actuator work in a valve?

A: The electric actuator gets a signal from the control system. It uses a motor to move the valve stem up or down. This opens, closes, or changes the valve’s spot for careful flow control.

Q: What maintenance do electric control valves need?

A: Technicians should check electric control valves often. They clean moving parts and look for leaks. They also test if the actuator works right. Lubricating and checking wires helps stop problems and makes the valve last longer.

Q: How do you choose the right electric control valve size?

A: Engineers pick the valve size by looking at pipe size, flow, and pressure. The right size helps control flow well and keeps the system safe.

We are one of the most reliable electric control valve manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to buy high-grade electric control valve for sale here from our factory. Customized orders are welcome.

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