OKE Electric Three-Way Converging Control ValveOverview

The electric three-way converging control valve is a key actuator used in industrial automation processes, primarily for controlling the mixing or splitting of two fluid streams to meet specific process requirements. Depending on the application needs, this valve can mix two different fluids into a third fluid or blend the same fluid at different temperatures to achieve a specific temperature. Additionally, it can be used for splitting, i.e., dividing one fluid stream into two separate streams. The electric three-way converging control valve is widely used in industries such as chemical, petroleum, and power, playing a significant role in regulating and controlling media like heat exchangers, liquids, gases, and steam.

Working Principle

The working principle of the electric three-way converging control valve involves the electric actuator receiving signals from the control system and driving the valve to open or close based on these signals. When the valve receives an open signal, the electric actuator increases the valve opening, allowing more fluid to pass through. Conversely, when a close signal is received, the electric actuator reduces the valve opening until the valve is fully closed. Throughout this process, the valve's opening and closing actions are precisely controlled by the electric actuator to ensure the fluid medium is regulated according to preset process requirements.

OKE Electric Three-Way Converging Control ValveFeatures

The fluid acts on the valve plug in a flow-open direction, ensuring stable operation. In addition to the bushing guidance at the valve cover, the valve plug side and the inner surface of the valve seat also provide guidance, offering a large guiding area and reliable operation. The servo amplifier employs deep dynamic negative feedback to enhance control accuracy.

The electric operator comes in various forms, suitable for 4–20 mA.DC or 0–10 mA.DC. The electronic electric control valve can directly control the valve opening via current signals without requiring a servo amplifier.

It saves automation investment; compared to single-seat, double-seat, or sleeve control valves, it can form the same system with one less valve, simplifying the system and reducing costs.

The bellows seal type provides a complete seal for the moving valve stem.

OKE Electric Three-Way Converging Control ValveApplication Scenarios

Due to its unique structure and functionality, the electric three-way converging control valve has broad applications in industrial automation. It can be used not only for simple on-off control but also for complex fluid ratio regulation, especially in scenarios requiring precise control of fluid proportions, such as chemical reaction regulation in chemical production processes and parameter regulation in boilers and turbines in power systems.

OKE Electric Three-Way Converging Control ValveTroubleshooting

During use, the electric three-way converging control valve may encounter various issues, such as motor failure to rotate, inability to close or open properly, slow or unstable operation, etc. To address these problems, it is necessary to inspect the power supply, electric actuator, and valve body, and take appropriate repair or replacement measures based on the specific situation. When troubleshooting, always ensure the power supply is disconnected to prevent electric shock accidents.

OKE Electric Three-Way Converging Control ValveConclusion

The electric three-way converging control valve is an indispensable component in industrial automation. Its correct selection, installation, and maintenance are crucial for ensuring the safety and efficiency of production processes. Understanding its working principle and technical parameters helps in better application and troubleshooting, maximizing its role in industrial automation.

OKE Electric Three-Way Converging Control ValveDetailed Parameters

Diameter: DN15–300 mm

Pressure: PN1.0–PN6.4 MPa

Operating Temperature: -30 to +425°C

Applicable Media: Water, oil, gas, etc.

Connection Method: Flange or welded

Valve Body Material: WCB, 304, 316

Valve Stem Material: 304, 316

Sealing Material: PTFE packing, 304, 316

Product Brand: American OKE (OKE)