Chengdu Microson

Pneumatic–Hydraulic Actuator

Electro-hydraulic Actuator

Pneumatic actuator

Hydraulic Actuator

Electro-hydraulic Actuator

Electro-hydraulic actuators generally consist of four main components: the actuator itself, the control system, the hydraulic power unit, and the control operating cabinet (control box). Hydraulic system pressures range from low to medium to high: 1.0 MPa, 21.0 MPa, and 35.2 MPa. Typical Applications: ◆ Local and Remote Control – Emergency Shut-Off Actuators for Pipeline Rupture Detection This system is designed for use in conjunction with electronic pipeline rupture detection systems, particularly in long-distance oil and gas pipelines where power supply is available but unreliable. By integrating the hydraulic control system with the pipeline rupture detection system, when the rate of pressure drop reaches a preset threshold, the rupture detection system sends a signal to the actuator, which then closes the valve. The combination of an electric hydraulic pump and an accumulator helps reduce the power requirements for the hydraulic actuator. ◆ Local and Remote Control – Electrical Safety in Case of Accidents During normal operation, the actuator is powered as usual; however, when the system loses power, the valve is automatically closed or opened according to process requirements. ◆ Local and Remote Control – Proportional Control For applications requiring high precision in flow regulation, a hydraulic proportional control system is selected to adjust the valve. ◆ Local and Remote Control – Servo Control For processes that demand linear flow control accuracy and strict valve opening/closing positions, a hydraulic servo control system is chosen to regulate the valve. ◆ Solar-Powered Hydraulic Systems These systems are especially suited for locations lacking reliable power or gas supply, such as long-distance pipelines. ◆ Dual-Speed Slow-Close Control
Electro-hydraulic Actuator

Parameters

　　◆ The parallel, dual‑guide fork transmission housing featuring a patented design (Patent Name: A Fork Transmission Housing with Dual Guide Shafts; Patent Type: Invention Patent; Patent Number: ZL 201210343414.5) can provide higher opening torque for valves with long strokes.

　　◆ Output torque up to 400,000 N·m

　　◆ Hydraulic medium: Hydraulic oil or other fire‑resistant hydraulic fluids

　　◆ Ambient temperature – up to +100°C; special temperatures available upon customer request.

Quick on/off control

　　◆ For different types of valves, rapid closing and opening operations can be performed within 0.5 seconds.

　　◆ Actuators designed to achieve rapid on/off operation can be either single‑acting spring‑loaded or double‑acting.

　　◆ The control valves feature a high-pressure retention and zero-leakage design.

　　◆ The solenoid valve is integrated with other hydraulic control components in the oil circuit block, which helps prevent external leakage.

　　◆ Hydraulic hoses are generally made of stainless steel.

　　◆ The control cabinet can be made of carbon steel or stainless steel.

Control Function

　　■ Local control, such as manual operation, local manual pump operation, and local control cabinet operation

　　■ Local Control and Remote Operation

　　■ Local and remote control, emergency shutdown

　　■ Quickly turn off or on

　　■ Local and Remote Control, Power Supply Accident Safety

　　■ Local and remote control, proportional regulation

　　■ Local and remote control, servo adjustment

　　■ Solar Power Supply Method

　　■ Slow-Closing Dual-Speed Control

Quality Assurance

　　◆ ISO 9001 Quality System Certification: All executing agencies strictly adhere to the ISO 9001 quality system in their production processes.

　　◆ Each actuator undergoes 100% inspection at the factory, and every electro-hydraulic actuator assembly is accompanied by a test report.

 

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Contact Us

Address: No. 1093, Middle Section of the Fourth Section, Xihanggang Avenue, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu City, Sichuan Pilot Free Trade Zone, China

Phone:+86-028-85865613

Phone:+86-18382010388

Email:cdmks@mksvc.com.cn

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