Electric Actuated Globe Valve

An electric actuated globe valve is a critical component in modern industrial systems, designed to combine precision flow control with the efficiency of automated operation. This type of valve integrates an electric actuator with the traditional globe valve design, allowing for precise adjustments and seamless remote control in a wide range of applications. Whether regulating the flow of liquids, gases, or steam, an electric actuated globe valve ensures high performance, reliability, and ease of operation, making it an essential choice for industries seeking enhanced automation and efficiency in their processes.

What Is an Electric Actuated Globe Valve?

An electric actuated globe valve is a flow control device that combines a traditional globe valve with an electric actuator. The actuator automates the valve’s operation, allowing precise control over the flow of liquids, gases, or steam without manual intervention. The electric actuator receives signals from a control system and adjusts the valve’s position to regulate flow rates accurately.

This type of valve is widely used in industrial applications requiring consistent and remote flow control. Its design ensures minimal leakage and excellent throttling capabilities, making it a reliable solution for automated systems in industries like oil and gas, water treatment, HVAC, and power generation.

What are the three types of globe valves?

Globe valves come in three primary types based on body design, each suited for specific applications:

1. Tee Pattern (Z-Type) Globe Valve
   • Features a horizontal seat arrangement and a Z-shaped passage.
   • Offers excellent throttling capabilities.
   • Suitable for applications requiring precise flow control but has a higher pressure drop.
2. Angle Pattern Globe Valve
   • Has a 90-degree turn between the inlet and outlet ports.
   • Ideal for applications involving pulsating or slurry flows.
   • Reduces pressure loss compared to the Tee Pattern.
3. Wye Pattern (Y-Type) Globe Valve
   • Designed with an angled seat and stem for a straighter flow path.
   • Balances flow control precision and low pressure drop.
   • Commonly used in high-pressure or high-temperature applications.

Read also: Control Valve Globe Type

Advantages of Electric Actuated Globe Valves

Precise Flow Control

• The electric actuator allows for accurate adjustments of the valve position, providing consistent and reliable flow regulation.

Automation and Efficiency

• Automating the valve operation reduces the need for manual intervention, improving system efficiency and enabling remote control.

Durability and Reliability

• Designed for long-term use, electric actuated globe valves are built to withstand harsh operating conditions, including high pressures and temperatures.

Integration with Control Systems

• These valves can be integrated with advanced control systems for real-time monitoring and process optimization.

Minimal Leakage

• The design of the globe valve ensures a tight shut-off, reducing leakage risks and maintaining system integrity.

Energy Efficiency

• Electric actuators consume less energy compared to pneumatic or hydraulic systems, lowering operational costs.’

Read also: Globe Valves for Flow Control

Applications of Electric Actuated Globe Valves

• Oil and Gas Industry
  • Used in pipelines and refineries for controlling the flow of crude oil, natural gas, and other fluids.
• Water Treatment Plants
  • Regulate the flow of water, chemicals, or other fluids in filtration and treatment systems.
• HVAC Systems
  • Control the flow of steam or water in heating and cooling systems for efficient temperature regulation.
• Power Generation
  • Manage the flow of steam or coolant in power plants to maintain operational efficiency.
• Chemical Processing
  • Used for precise control of reactive or hazardous fluids in chemical manufacturing processes.
• Pharmaceutical Industry
  • Ensure accurate flow control in the production of sensitive products requiring sterile environments.
• Food and Beverage Industry
  • Regulate the flow of ingredients or cleaning fluids while adhering to hygiene standards.

Read also: Globe Valve Pneumatic Actuator

How does an electric valve actuator work?

An electric valve actuator is a device used to operate a valve automatically by using an electric motor. It is designed to control the valve’s position, allowing for precise regulation of fluid or gas flow through a pipeline. Here’s how it works:

1. Motorized Mechanism:
   • The actuator consists of an electric motor that is connected to the valve mechanism. When the motor receives a signal, it rotates or moves in a specific direction.
2. Signal Input:
   • The actuator receives signals from a control system or manual input. These signals can be in the form of electric current, voltage, or digital communication, depending on the system’s configuration.
3. Positioning the Valve:
   • As the electric motor rotates, it drives the valve stem, which moves the valve’s internal components (such as a plug, disc, or ball). This movement either opens or closes the valve, adjusting the flow rate accordingly.
4. Feedback Mechanism:
   • Many electric actuators are equipped with feedback devices such as limit switches or position sensors. These sensors send real-time data to the control system, confirming the valve’s position and ensuring the correct flow settings.
5. Energy Conversion:
   • The electric energy from the motor is converted into mechanical motion that operates the valve. In the case of globe valves, this mechanical motion adjusts the valve’s internal plug or disc to modulate fluid flow.
6. Control and Automation:
   • Electric actuators can be integrated into automated systems for remote or centralized control. This allows for efficient, on-demand operation without human intervention, ideal for applications requiring continuous monitoring and flow regulation.

The use of electric actuators ensures that the valve operates with high accuracy, minimizing the risk of human error and enhancing system reliability. Additionally, they can be operated in hazardous environments where pneumatic or hydraulic actuators might not be suitable.

Read also: Globe Valve for Throttling

Key Features to Look For in Electric Actuated Globe Valves

When selecting an electric actuated globe valve, it’s crucial to consider several key features to ensure the valve meets the specific needs of your application. Here are the essential features to look for:

1. Precise Control and Adjustment:
   • Electric actuated globe valves offer precise flow regulation, allowing for accurate adjustments of fluid or gas flow. The ability to fine-tune flow control is essential in systems where precise modulation is required.
2. Integration with Automation Systems:
   • Look for actuators that are compatible with automated control systems. Features like digital communication protocols (e.g., Modbus, Profibus) enable seamless integration into a process automation service, making it easier to control the valve remotely and in real-time.
3. Fail-Safe Operation:
   • A fail-safe feature ensures that the valve responds correctly during power failure or emergency situations. Many electric actuators are designed to revert to a specific position (such as fully open or closed) to prevent dangerous conditions.
4. Durability and Reliability:
   • Electric actuators must be built to withstand harsh environmental conditions, including temperature extremes, moisture, and vibration. Choose a valve actuator made from robust materials, ensuring longevity and minimizing downtime.
5. Torque and Force Range:
   • The torque rating of the electric actuator should match the size and type of the valve to ensure proper operation. For larger valves, you may require actuators with higher torque capacity to handle the load.
6. Position Feedback Mechanism:
   • Many electric actuators come with position sensors that provide real-time feedback on valve status. This feature ensures accurate operation and allows for continuous monitoring, improving the system’s performance and reliability.
7. Energy Efficiency:
   • Consider an actuator with energy-efficient designs, as they can reduce overall operational costs. Some models have low power consumption, especially when in standby or partial-operation mode.
8. Customizable Control Settings:
   • A key feature to look for is the flexibility in adjusting the control settings. Some electric actuators allow for customizable settings, such as varying the speed of operation or the sensitivity of the feedback system, making them versatile for different applications.
9. Safety Features:
   • Safety features like over-current protection, thermal overload protection, and emergency stop options are essential in preventing system failures and ensuring smooth operation.
10. Maintenance and Serviceability:

• Choose an electric actuator that is easy to maintain and service. Features like removable covers for easy access, diagnostic indicators, and minimal moving parts contribute to reduced maintenance requirements and longer lifespan.

By considering these key features, you can select the right electric actuated globe valve to suit the specific needs of your flow control system and ensure reliable, efficient, and safe operation.

Comparison with Other Valve Types

Electric actuated globe valves are popular for flow control due to their precision, versatility, and automated operation. However, to better understand their advantages and suitability for various applications, it’s important to compare them with other common valve types used in industrial systems. Here’s how electric actuated globe valves compare with other types of valves:

1. Globe Valve vs. Ball Valve:
   • Flow Control:
     • Electric Actuated Globe Valve: Ideal for throttling and precise flow control. The design allows for continuous adjustments to the flow rate, making it excellent for applications that require fine-tuned control.
     • Ball Valve: Primarily used for on/off flow control. Although ball valves can regulate flow to some extent, they are not as precise as globe valves when it comes to throttling. Ball valves are more suitable for applications where quick shut-off is needed.
   • Suitability:
     • Electric Actuated Globe Valve: Best for applications that require accurate regulation of flow, such as in chemical processing, HVAC, and water treatment.
     • Ball Valve: More commonly used in applications where full opening or closing is required, such as in large pipelines or simple on/off tasks.
2. Globe Valve vs. Gate Valve:
   • Flow Control:
     • Electric Actuated Globe Valve: Offers better flow modulation and is designed for continuous adjustments in flow, ideal for situations where flow rates need to be maintained at specific levels.
     • Gate Valve: Typically used for fully opening or closing the valve. While it can be used to control flow, it is less effective than globe valves for throttling and precise adjustments.
   • Suitability:
     • Electric Actuated Globe Valve: Preferred for applications requiring fine control, such as in precision systems or when high accuracy is needed.
     • Gate Valve: Best for isolating or shutting off flow in large pipelines where fine control is not as critical.
3. Globe Valve vs. Butterfly Valve:
   • Flow Control:
     • Electric Actuated Globe Valve: Provides more precise and accurate flow control compared to butterfly valves. Globe valves are suitable for throttling applications where small adjustments are necessary.
     • Butterfly Valve: Though it can be used for flow control, butterfly valves are more suitable for large-scale flow regulation and quick adjustments in systems like HVAC or water distribution networks.
   • Suitability:
     • Electric Actuated Globe Valve: Ideal for applications that require consistent, fine flow adjustments, especially in industries like pharmaceuticals, oil & gas, and chemical processing.
     • Butterfly Valve: A good choice for larger systems or applications where fast and frequent flow adjustments are needed but with less precision.
4. Electric Actuated Globe Valve vs. Check Valve:
   • Flow Control:
     • Electric Actuated Globe Valve: Offers precise, adjustable control over flow rates, making it suitable for systems where dynamic regulation is required.
     • Check Valve: Primarily designed for preventing backflow rather than controlling the flow. It opens and closes automatically based on the direction of the flow and does not provide adjustable flow control.
   • Suitability:
     • Electric Actuated Globe Valve: Best for applications requiring manual or automated throttling of flow.
     • Check Valve: Best for systems where backflow prevention is the primary concern, such as in pump protection or to maintain one-direction flow.
5. Electric Actuated Globe Valve vs. Needle Valve:
   • Flow Control:
     • Electric Actuated Globe Valve: Suitable for applications requiring fine flow regulation, especially in larger pipelines. It can handle higher flow rates compared to a needle valve.
     • Needle Valve: Provides very precise flow control, but it is typically used for small-scale applications, such as laboratory or instrumentation applications, where very fine flow adjustments are necessary.
   • Suitability:
     • Electric Actuated Globe Valve: Ideal for larger-scale industrial applications that require moderate to high flow regulation.
     • Needle Valve: More suitable for small systems or where very fine control of low-flow liquids or gases is needed.

Electric actuated globe valves excel in applications where precision, regulation, and automation are required. They offer better flow modulation than ball and gate valves and are more suited for continuous, fine adjustments compared to butterfly valves. While other valves like check valves and needle valves serve specific purposes, electric actuated globe valves remain a go-to solution for industries requiring reliable, accurate, and automated flow control.

Read also: Control Valves Should Always be in The What Position

Why Choose Anasia’s Electric Actuated Globe Valves?

Anasia’s electric actuated globe valves stand out in the industry for their precision, durability, and automation capabilities. These valves are engineered to deliver high performance in a variety of industrial applications, ensuring optimal flow control and reliability. Here’s why you should consider choosing Anasia’s electric actuated globe valves for your systems:

1. Precision and Accuracy in Flow Control: Anasia’s electric actuated globe valves are designed to offer highly accurate and adjustable flow regulation. Their ability to finely control fluid or gas flow makes them ideal for applications where precise flow control is critical, such as chemical processing, water treatment, and HVAC systems.
2. Durability and Long-Lasting Performance: Built with robust materials and a high-quality construction process, Anasia’s electric actuated globe valves are designed for long-term performance. Whether exposed to high temperatures, pressures, or corrosive environments, these valves offer outstanding reliability and are less prone to wear and tear, minimizing maintenance costs and downtime.
3. Automation and Remote Control: Anasia’s electric actuated globe valves come with advanced actuator technology that enables automated operation and remote control. This capability allows operators to adjust the flow without the need for manual intervention, improving operational efficiency and reducing human error. Perfect for modern process control systems, these valves integrate seamlessly with PLCs and SCADA systems for full automation.
4. Customizable Solutions for Diverse Applications: Anasia provides customizable electric actuated globe valves that cater to a wide range of industries and applications. Whether you need a valve for low flow rates, high-pressure systems, or extreme environmental conditions, Anasia offers tailored solutions that meet specific requirements for your process.
5. Energy Efficiency and Cost-Effectiveness: Anasia’s electric actuated globe valves are designed to optimize energy usage. With features like precise throttling and low energy consumption, these valves help reduce operational costs over time. Additionally, their high reliability means fewer replacements and lower maintenance costs, making them a cost-effective solution in the long run.
6. Superior Customer Support and Service: Anasia’s commitment to customer satisfaction goes beyond providing high-quality products. Their team of experts is always ready to assist with product selection, installation, and troubleshooting, ensuring that you get the most out of your electric actuated globe valves. Whether you need technical support or advice on valve maintenance, Anasia’s customer service is always available to help.
7. Compliance with Industry Standards: Anasia’s electric actuated globe valves are manufactured to comply with international industry standards, ensuring that they meet or exceed quality, safety, and environmental regulations. This guarantees that you can rely on them for safety and compliance in even the most demanding applications.

Choosing Anasia’s electric actuated globe valves means investing in a solution that offers precision, durability, and efficiency. With advanced automation capabilities, tailored designs for diverse industries, and exceptional customer service, Anasia is the trusted partner for your flow control needs. Ensure the smooth, reliable operation of your systems with Anasia’s superior electric actuated globe valves.

Maintenance Tips

Maintaining your electric actuated globe valves is crucial to ensure long-lasting performance, reduce downtime, and prevent costly repairs. Proper maintenance will help you maximize the efficiency of your system and extend the lifespan of your valves. Here are some essential maintenance tips to keep your electric actuated globe valves in optimal condition:

1. Regular Inspection: Conduct regular visual inspections of the valve, actuator, and associated components to ensure that there are no signs of wear, corrosion, or leakage. Look for any external damage that may have occurred due to external forces or environmental factors, such as vibrations or temperature fluctuations.
2. Lubrication: Ensure that all moving parts, such as the valve stem and actuator mechanisms, are properly lubricated. This will help reduce friction, prevent wear, and maintain smooth operation. Follow the manufacturer’s recommendations for the appropriate type of lubricant and frequency of application.
3. Check for Tightness and Leaks: Periodically check the valve’s seals and connections for tightness and leaks. Leaks around the valve body or actuator can result in reduced efficiency, wasted energy, and potential safety risks. If leaks are detected, tighten the connections or replace the seals as necessary.
4. Calibrate the Actuator: Regularly calibrate the electric actuator to ensure accurate flow control. This is particularly important for applications requiring precise regulation, as any drift in the actuator’s settings can affect the overall performance of the valve. Consult the manufacturer’s guidelines for calibration procedures.
5. Test the Valve Operation: Perform routine tests to ensure the valve opens and closes as expected. This can be done by manually operating the actuator or running automated system checks. Verify that the valve responds correctly to input signals and performs the intended throttling or on/off functions.
6. Inspect Electrical Components: For electric actuated globe valves, ensure that the electrical components, such as wiring, connectors, and switches, are functioning properly. Look for any signs of electrical wear or short circuits that could interfere with valve operation. Inspect the actuator’s electrical connections and make sure they are clean and secure.
7. Monitor System Pressure: Regularly monitor the system pressure where the valve is installed. Excessive pressure or pressure fluctuations can stress the valve, leading to premature wear or failure. Adjust the system settings to maintain stable pressure levels and ensure the valve is not exposed to conditions beyond its rated limits.
8. Clean the Valve and Actuator: Keep the valve and actuator free of dirt, debris, and buildup that can affect performance. Use a soft cloth or non-abrasive tools to clean the external surfaces of the valve and actuator. In cases where the valve operates in dusty or harsh environments, periodic disassembly and cleaning may be required.
9. Ensure Proper Actuator Sizing: Over time, the actuator’s load requirements may change due to shifts in system parameters, such as pressure or temperature. Ensure that the actuator is correctly sized for your system’s needs and replace it if it becomes undersized or inefficient.
10. Follow Manufacturer Maintenance Guidelines: Always refer to the manufacturer’s maintenance manual for specific guidelines on maintaining your electric actuated globe valve. The manufacturer may provide detailed instructions on the recommended inspection intervals, lubrication schedules, and replacement parts.

By following these maintenance tips, you can extend the life of your electric actuated globe valves, minimize downtime, and ensure reliable performance throughout their service life. Regular inspection, lubrication, calibration, and testing will help keep your valves in optimal working condition, ensuring smooth and efficient flow control in your systems.

Additionally, incorporating a process automation service can streamline maintenance tasks, making it easier to monitor and control the valve’s performance over time. Always refer to the manufacturer’s recommendations for best practices and ensure that the maintenance is performed by qualified professionals to avoid damage and ensure safety.

In conclusion, the electric actuated globe valve is a game-changer for industries requiring precise and automated flow control solutions. With its advanced functionality, durability, and ability to seamlessly integrate into automated systems, it offers unparalleled advantages for both efficiency and reliability. By investing in an electric actuated globe valve, industries can achieve optimal process control, reduced manual intervention, and long-term operational benefits, solidifying their position as leaders in innovation and productivity.

Maintenance Safety for Electric Actuated Globe Valve

Proper maintenance of electric actuated globe valves ensures reliability, efficiency, and safety in industrial operations. Here are key safety guidelines:

 Safety Precautions Before Maintenance:

Power Isolation – Disconnect electrical power and lockout/tagout (LOTO) before maintenance.
Depressurization – Release system pressure to avoid sudden fluid discharge.
Proper PPE – Wear gloves, goggles, and protective clothing based on system requirements.
Follow Manufacturer’s Guidelines – Use approved procedures and tools for maintenance.

Maintenance Steps:

1. Visual Inspection – Check for leaks, corrosion, and loose electrical connections.
2. Actuator Testing – Ensure smooth operation without unusual noise or overheating.
3. Lubrication & Cleaning – Keep moving parts clean and apply recommended lubricants.
4. Valve Seat & Stem Check – Inspect for wear and replace damaged components.
5. Electrical Connections – Verify wiring, control signals, and grounding.
6. Function Testing – Run operational tests before returning to service.

Post-Maintenance Safety Checks:

Reconnect power and test under controlled conditions.
Ensure the actuator responds correctly to control signals.
Monitor for leaks or abnormal vibrations after reinstallation.