In the field of industrial automation, for valves such as globe valves, single seat regulating valves, and gate valves that require linear motion of the valve core to open or close, linear electric actuators are the ideal choice for achieving precise control. It converts the rotational motion of the motor into the linear reciprocating motion of the output shaft, providing a direct and efficient solution for situations that require precise displacement control with thrust.
Direct stroke electric actuatorThe core feature of it is that its output axis motion is linear motion. After the motor is decelerated by a gear set, it drives mechanisms such as lead screws or nuts to convert rotational motion into linear motion of push rods, outputting thrust or tension, directly pushing the valve stem up and down, thereby changing the opening between the valve core and valve seat, achieving continuous adjustment or switch control of the fluid.

1. Stable thrust output and high positioning accuracy
The linear actuator directly outputs linear thrust, and the transmission mechanism (such as high-precision ball screw) has good rigidity and small clearance, which can achieve extremely precise displacement control. Its high position resolution and excellent repeat positioning accuracy make it very suitable for situations that require precise and continuous adjustment of valve positions, such as flow control in chemical production or water supply regulation in power plants.
2. Rigid connection, direct control
The push rod and valve stem of the actuator are usually directly connected through rigid connectors, with a short transmission chain and almost no empty stroke. This direct driving method results in good control response linearity, strong disturbance resistance, and the ability to quickly and accurately convert control signals into the actual displacement of the valve core, ensuring high stability and speed of the regulating system.
3. Sturdy structure, suitable for harsh working conditions
The actuator is designed with a sturdy structure that can withstand significant axial thrust. The casing is usually designed with a high level of protection, which can adapt to harsh industrial environments such as high temperature, high humidity, and high dust. In applications that require high torque cutoff or high pressure differential regulation, its stable thrust output provides reliable assurance.
4. Specialized valve with good regulating performance
Straight stroke actuators are a perfect match for regulating valves such as single seat valves, double seat valves, and sleeve valves, and are the mainstream configuration for achieving high-precision process regulation. By receiving standard signals from the control system, it can smoothly drive the valve to any desired opening, achieving precise control of process parameters such as pressure, temperature, flow rate, and liquid level.
Linear electric actuators are the standard for precise linear displacement control. It plays a crucial role in automated processes that require precise adjustment, with stable thrust, ultra-high positioning accuracy, and direct driving methods. It is a precise executor that ensures the quality and stability of process control.