The PSL/Q series electric actuator is a high-performance mechatronic control unit designed for industrial automation. It encompasses the PSL series for linear stroke applications (e.g., globe and cage valves) and the PSQ series for part-turn applications (e.g., ball and butterfly valves). The actuator features an integrated electronic proportional module, eliminating the need for external amplifiers as it directly receives standard 4-20mA DC or 1-5V DC signals. Its precision transmission converts motor power into accurate linear thrust or rotary torque to achieve continuous valve regulation. Renowned for its compact size, light weight, precision, and self-locking capabilities, the series is widely utilized in power, chemical, water treatment, and food processing industries.

Product Image of PSL/Q Linear Actuator

1.Highly integrated modular design:The control circuit uses an integrated electronic structure that combines servo amplification and position feedback. This compact layout reduces external wiring and minimizes the risk of electromagnetic interference.
2.High-precision transmission and positioning:Utilizes precision reduction gears with high-strength ball screws (PSL) or worm gears (PSQ) to ensure a highly linear relationship between output and command signals. It features minimal dead zones and excellent repeatability.
3.Reliable mechanical self-locking:The transmission system possesses natural self-locking properties. During power failure or shutdowns, it firmly holds the valve position against pressure fluctuations, ensuring process safety.
4.Comprehensive intelligent protection:Features built-in electrical limit switches, torque protection, and motor thermal sensors. The system automatically cuts power and triggers alarms during stall or abnormal load events to prevent damage.
5.Manual and automatic override:Equipped with an independent manual handwheel for intervention during commissioning, power loss, or maintenance. The transition is smooth, ensuring 24/7 operational reliability under extreme conditions.
6.Durable industrial housing:The high-quality die-cast aluminum alloy casing is treated with high-performance anti-corrosion coating. Rated at IP65/IP67, it resists dust, moisture, and corrosive gases in harsh outdoor environments.
7.Wide compatibility and interchangeability:Mechanical interfaces comply with international standards, allowing for easy adaptation to various global control valve brands. This facilitates system upgrades and onsite maintenance.
8.Low maintenance cost:Core transmission parts feature long-term lubrication for low mechanical wear. The electronic module supports non-intrusive online calibration, significantly shortening maintenance cycles.

Structural Drawing of PSL/Q  Linear Actuator

List of Component Names and Materials

Main Technical Parameters

Outline dimension table

Due to the rapid R&D iteration speed of valve products from China Kaivex Valve Group Co., Ltd., the above technical parameters and specification documents, including product overview, features, parts materials, outline dimension charts, CAD drawings, and product instruction manuals, are for your reference only. For actual applications, please contact our valve sales engineers to obtain the support you need for free. Thank you!