Chengdu Microson

Pneumatic–Hydraulic Actuator

Electro-hydraulic Actuator

Pneumatic actuator

Hydraulic Actuator

Pneumatic–Hydraulic Actuator

It is a self‑powered actuator that leverages the pressure of the pipeline’s own medium to drive valve operation, enabling either valve opening or closing. The pneumatic–hydraulic actuator boasts a simple operating principle, safe and reliable control, and strong environmental adaptability, making it well suited to withstand harsh, all‑weather outdoor conditions. This product directly utilizes pipeline natural gas as its power source. The pneumatic–hydraulic system is designed for high pressure; after filtration and treatment, the gas source requires no pressure reduction and can be fed directly into the gas storage tank and the high‑pressure pneumatic control valve assembly. Under the action of control signals, high‑pressure, controlled gas enters the corresponding gas–liquid circuit. Relying on the principle of isobaric transmission, the liquid medium drives the hydraulic cylinder of the valve actuator in synchronized gas–liquid operation, thereby controlling the valve. This product directly utilizes pipeline natural gas as its power source. The pneumatic–hydraulic system is designed for high pressure; after filtration and treatment, the gas source requires no pressure reduction and can be fed directly into the gas storage tank and the high‑pressure pneumatic control valve assembly. Under the action of control signals, high‑pressure, controlled gas enters the corresponding gas–liquid circuit. Relying on the principle of isobaric transmission, the liquid medium drives the hydraulic cylinder of the valve actuator in synchronized gas–liquid operation, thereby controlling the valve. “Pressure is Power” offers a concise and perfect explanation of the operating principle of pneumatic–hydraulic actuators. The gas pressure of pipeline natural gas serves as the driving force that enables the pneumatic–hydraulic actuator to perform control functions and achieve valve switching.
Pneumatic–Hydraulic Actuator

Multiple control methods are available upon request.

　　◆ Local Control and Remote Operation

　　◆ Local and remote control, emergency shutdown

　　◆ Local and remote control, as well as power-on (and power-off) accident safety

　　◆ Local control options include pneumatic control operation, hydraulic manual pump operation, and remote inhibit/local hold operation.

　　◆ Perform automatic partial-travel switch testing via local control or remote control.

　　◆ Powered by lithium battery (optional external power supply and solar power options)

General applications:

　　Multiple control methods can be provided according to user requirements, suitable for on/off and angle‑travel ball valves, butterfly valves, plug valves, or damper blades.

Ambient temperature:

　　Standard range: -30 to 100°C (-20 to 210°F)

　　Optional range: -55 to 150°C (-65 to 300°F)

Technical Data

　　Working pressure: 0.4 MPa – 16 MPa

　　Working medium: compressed air, purified natural gas, high‑pressure nitrogen, etc.

　　Torque range: 600,000 Nm

 

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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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