OKE Electric Control Valve for OilOverview

Electric control valves are key actuating components in industrial automation processes, primarily consisting of an electric actuator and the valve body. The electric actuator receives commands from the control system, converts them into corresponding mechanical movements, and drives the valve to open or close, achieving precise control of process parameters such as medium flow, pressure, and temperature. Electric control valves are widely used in automatic regulation systems across industries such as petroleum, chemical, metallurgy, power, and light industry.

Working Principle

The core of the electric control valve lies in its electric actuator, which typically includes functions such as a servo amplifier, position signal generator, position limit switch, and valve position display. Upon receiving a control signal (e.g., 4-20mA or 1-5VDC), the electric actuator drives the valve to the corresponding position while outputting a valve position feedback signal to ensure synchronization between the valve position and the control signal.

OKE Electric Control Valve for OilFeatures

1. This series of products adopts a fully detachable structure with low operating torque. Internal valve components (including the valve seat, valve core, throttling assembly, seals, etc.) can all be removed from the valve cavity, making maintenance extremely convenient. The valve body does not need to be cut from the pipeline, allowing for long-term use.

2. The valve core features a balanced plunger structure, ensuring low operating torque and high sensitivity in regulation.

3. The throttling assembly consists of a multi-orifice plate converging throttling ring and a sleeve-type throttling sleeve, paired with a flow equalizing cover. This configuration provides comprehensive characteristics such as cavitation-free operation at small flows and high pressure differentials, large flow capacity, excellent regulation performance, and noiseless fluid discharge. It fully meets the requirements of harsh conditions like high pressure differentials, effectively enabling flow regulation and control of high-temperature, high-pressure differential fluids with good adjustability and high precision.

4. The throttling ring can achieve multi-stage pressure reduction and throttling within 55% of the valve's working stroke.

5. The sealing surfaces of the valve core and valve seat are hard-faced with Stellite alloy, providing resistance to erosion and corrosion.

OKE Electric Control Valve for OilDetailed Parameters

Diameter: DN15–300mm

Pressure: PN1.0–PN32MPa

Applicable Temperature: -30–+550°C

Applicable Media: Crude oil, lubricating oil, heat transfer oil, etc.

Connection Method: Flanged or welded

Valve Body Material: WCB, 304, 304L, 316, 316L

Valve Core Material: 304, 304L, 316, 316L

Seal Material: PTFE, 304, 316

Voltage: AC220V, AC380V, DC24V, etc.

Product Brand: American OKE (OKE)

Electric Control Valve for OilInstallation

The installation of electric control valves involves multiple steps, including preliminary preparation, determination of installation position, pipeline connection, installation of the electric actuator, and subsequent debugging and testing. Proper installation not only ensures the normal operation of the valve but also reduces the risk of malfunctions. For example, before installation, ensure the pipeline is clean to prevent impurities from entering the valve; the installation position should be convenient for operation and maintenance, taking into account environmental conditions such as temperature and humidity.

Usage and Maintenance of Electric Control Valves

Electric control valves require regular maintenance and inspection during use to ensure long-term stable operation. This includes lubrication, cleaning, and inspection of the electric actuator, as well as checking the sealing performance of the valve itself. For instance, the OKET328M-300LB electric control valve requires periodic inspection and maintenance of its electric actuator to ensure proper functionality.

Conclusion

As an essential component of industrial automation, the correct selection, installation, and use of electric control valves play a decisive role in the stability and reliability of the entire system. Through the analysis above, we can understand the working principle, key selection points, installation steps, and the importance of daily maintenance for electric control valves, all of which are fundamental to ensuring their efficient operation. In practical applications, it is essential to combine specific conditions, refer to relevant technical documentation and standards, and carry out scientific and reasonable selection, professional installation, and regular maintenance to fully leverage the role of electric control valves.