Electric Control Valve

Electric Control Valve

African valve is the largest Electric Control Valve manufacturer in Nigeria. We supply valves to South Africa, Kenya, Algeria, Ghana, Tanzania, Sudan and Ethiopia. An electric control valve is a type of control valve that uses an electric actuator to regulate the flow of fluids in a system. Instead of a traditional pneumatic or hydraulic actuator, an electric control valve employs an electric motor or solenoid to open and close the valve mechanism. The actuator is controlled by an electrical signal, typically generated by a controller or a programmable logic controller (PLC), which monitors the desired process variable.

Electric control valves offer several advantages over other types of control valves. They provide precise and accurate control due to their ability to position the valve mechanism with high precision.African valve is a reputed Electric Control Valve manufacturer in Nigeria. They also offer fast response times, allowing for rapid adjustments in flow rates.Electric control valves are commonly used in various industries, water treatment plants, pharmaceutical manufacturing, and other applications where precise and reliable control of fluid flow is required, and where the availability of electrical power makes them a suitable choice.

Types

• Feed Water Control Valve
• Electric Cage Type Control Valve
• Electric Double Seat Control Valve
• Electric O Type Shut off Control Valve
• Electric 3 way Control Valve
• Electric Single Seat Control valve
• Electric Actuated Globe Control Valve

Advantages

• Precise and Accurate Control: Electric control valves provide highly accurate control over fluid flow. The electric actuator allows for precise positioning of the valve mechanism, ensuring that the desired process variable, such as flow rate or pressure, is maintained with great accuracy. This level of precision enables enhanced process control, resulting in improved product quality, efficiency, and overall system performance.
• Fast Response Time: Electric control valves offer rapid response times, allowing for quick adjustments in flow rates. The electric actuator can swiftly open or close the valve mechanism in response to changes in the control signal, facilitating prompt regulation of the process variable. This responsiveness is particularly valuable in applications where dynamic and frequent adjustments are required to maintain optimal system conditions.
• Wide Range of Control Options: Electric control valves provide a wide range of control options. They can be integrated with advanced control systems, such as PLCs, DCS (Distributed Control Systems), or SCADA (Supervisory Control and Data Acquisition), enabling precise and automated control of fluid flow. The ability to integrate with modern control technologies offers greater flexibility and scalability in system design and operation.
• Energy Efficiency: Electric control valves are known for their energy efficiency. Unlike pneumatic control valves that require compressed air or hydraulic control valves that depend on hydraulic fluid, electric control valves operate using electrical power, which is often readily available in industrial settings. This eliminates the need for additional energy sources, reducing energy consumption and associated costs.

Applications

• Water Treatment: Electric control valves are extensively used in water treatment plants for controlling the flow of water, chemicals, or additives at different stages of the treatment process. They help maintain accurate dosing, pH levels, and flow rates, ensuring optimal water quality and treatment efficiency.
• Process Industries: In process industries such as chemical, petrochemical, and pharmaceutical manufacturing, electric control valves are employed to regulate fluid flow, pressure, and temperature in various unit operations. They enable precise control over production processes, ensuring consistent product quality, improved safety, and enhanced productivity.
• Power Generation: Electric control valves are utilized in power generation facilities, including thermal power plants and renewable energy installations. They control the flow of steam, gas, or cooling water in turbines, boilers, and heat exchangers, optimizing power generation efficiency and maintaining safe operating conditions.

Description

• Available Materials: Ductile Iron Control Valve, Cast iron Control Valve(WCB, WCC, WC6) LCC, LCB, Stainless Steel (SS316, SS304), Super Duplex (F51, F53, F55)
• Class: 150 to 2500
• Nominal Pressure: PN10 to PN450
• Medium: Air, Water, Chemical, Steam, Oil
• Operations: Electro Pneumatic and Pneumatic
• Size: 1/2”- 24”
• Ends: Flanged, butt weld, socket weld, threaded

Electric actuator details
Torque – 3 – 9 nm
Operating pressure- 8 Bar
Port Connection-NPT 1.4”
Mounting Base-ISO5211
Temperature–20°C – +80°C

Configuration of a Pneumatic Actuator

• 4-20 amp
  
• Pneumatic single acting actuators
  
• Pneumatic double acting actuators
  
• Pneumatic rotary actuators
  
• Pneumatic Scotch and Yoke actuators
  
• Pressure: 228 bar
  Temperature
  
• Standard -4°F to 200°F (-20°C to 93°C)
  
• Low -40°F to 176°F (-40°C to 80°C)
  
• High 0°F to 300°F (-18°C to 149°C)

Electric control valves offer a range of advantages, including precise control, fast response times, flexibility, and energy efficiency.