OKEElectric High-Pressure Cage Control ValveOverview

The OKE Electric High-Pressure Cage Control Valve from the United States is a type of control valve used in high-pressure conditions, consisting of an electric actuator and a high-pressure cage valve body. Due to its unique structure and design, this valve can operate stably under harsh conditions such as high pressure differentials, severe cavitation, and erosion. It is particularly suitable for applications requiring good dynamic stability, low noise, and minimal cavitation corrosion.

OKEElectric High-Pressure Cage Control ValveWorking Principle

The working principle of the electric high-pressure cage control valve involves the electric actuator receiving control signals to drive the valve core to move within the valve body, thereby changing the cross-sectional area of the fluid passage to achieve precise control of fluid flow. The electric actuator typically receives 4-20mA or 0-10mA·DC signals and converts these signals into corresponding linear displacement to control the opening of the control valve.

Structural Design

The valve body of the electric high-pressure cage control valve usually adopts a straight-through design, with a single-guided valve core and a simple flow path that offers low resistance. The valve core is often equipped with combined sealing rings or piston rings to ensure excellent sealing performance. The sealing material of the valve seat is mostly polytetrafluoroethylene or other corrosion-resistant materials to maintain good sealing performance even in high-pressure environments.

Control System

The control system of the electric high-pressure cage control valve can monitor fluid parameters or valve opening in real time based on signals fed back by sensors for fluid parameters or position sensors. It performs closed-loop control through the electric actuator to achieve precise regulation.

Application Cases

Electric high-pressure cage control valves are widely used in industries such as petrochemicals, metallurgy, power generation, pharmaceuticals, food, and water treatment. For example, in a petrochemical integration project in Shandong, electric high-pressure cage control valves were used to control the flow, pressure, and temperature of the high-pressure steam system, ensuring the stable operation of the production facility.

OKEElectric High-Pressure Cage Control ValveFeatures

★Fluid undergoes step-by-step pressure reduction, with the fluid direction constantly changing, increasing flow resistance, controlling flow velocity, and preventing cavitation damage. The allowable pressure differential within the valve is 15MPa;

★Multi-stage throttling: four-stage throttling for large flows and five-stage throttling for small flows, reducing fluid erosion and abrasion on the valve core surface;

★Throttling surface and sealing surface are separated. The valve core and valve sleeve surfaces are hardened, with a hardness of up to HRC70, ensuring tight closure and long service life;

★The valve core surface features large notches, allowing fluids containing solid particles such as 2~3mm welding slag to pass without jamming the valve core, ensuring flexible operation;

★Excellent flow regulation characteristics with a wide regulation range (approximately 60%-70%). This control valve product has been successfully applied in many power plants.

OKEElectric High-Pressure Cage Control ValveDetailed Parameters

Diameter DN15～350mm

Pressure PN1.0～PN25MPa

Applicable Temperature -30～+425℃

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)