Chengdu Microson

Pneumatic–Hydraulic Actuator

Electro-hydraulic Actuator

Pneumatic actuator

Hydraulic Actuator

Pneumatic actuator

Innovatively Designed Fork Box Transmission Housing This product features built‑in parallel, dual‑guide shafts and is equipped with a modular, block‑based transmission and guidance assembly, representing a comprehensive design innovation across all dimensions. Traditional fork box transmission mechanisms and component designs are relatively simple, making them prone to severe vibrations during pneumatic or hydraulic operation. As slender piston rods extend and retract, pushing the transmission sliders at the cylinder ends, they often experience plastic deformation and lateral loading issues. Moreover, without fixed guiding blocks and transmission sliders, uneven force distribution can lead to parasitic torque losses—reducing transmission efficiency, compromising the smoothness of the actuator’s output thrust and its motion stability, and even jeopardizing the equipment’s operational reliability and overall safety. At the same time, the conventional connection method between the slider and the hydraulic cylinder significantly diminishes both connection stiffness and assembly efficiency. To address these challenges, the DG series fork box transmission breaks away from traditional design conventions by incorporating an industry‑first, proprietary, modular transmission structure developed by Microson. This innovative design precisely defines the motion trajectory of the transmission slider, eliminating piston rod deformation at its source and minimizing heat and vibration generation. It also avoids the transmission losses and lateral loading issues inherent in conventional designs, theoretically enabling 100% lossless transfer of thrust output from the hydraulic cylinder (or pneumatic cylinder/spring energy storage), thereby dramatically enhancing transmission efficiency and motion smoothness.
Pneumatic actuator

Features:

◆ The patent‑design parallel, dual‑guide fork transmission box can provide high opening torque for quarter‑turn valves.

◆ The parallel, dual guide rods can withstand lateral loads and provide support for the piston rod.

◆ Combined structure bearings can provide reliable, smooth operation and extend the service life of actuators.

◆ Piston bearings reduce friction between the piston and cylinder wall, enabling the cylinder to achieve a self-lubricating effect.

◆ The guide rod coating features high strength and excellent corrosion resistance, minimizing friction to the lowest possible level.

◆ The cylinder walls feature high strength, excellent corrosion resistance, and reliable performance.

◆ The built‑in guide linkage design makes the cylinder structure more compact.

◆ The fully enclosed, all-weather protective carbon steel housing is sturdy and reliable, with an internal coating that offers corrosion resistance.

◆ The external travel limit bolts are precisely adjustable within a full range of 90±5°.

◆ Low hysteresis and fast response enhance usability in regulating applications.

◆ Offers both asymmetric and symmetric fork designs to suit valves with different characteristics.

◆ Special coatings can be used on offshore platforms and in highly corrosive environments.

◆ Features available for acidic gases

Optional control function modules:

◆ Electronic Monitoring and Pipe Rupture Control System PLPG2010

◆ High- and low-pressure monitoring and high- and low-pressure shut-off control

◆ ESD Emergency Shutdown, On-Site Reset

◆ Partial travel testing, online actuated ball valve

◆ Anti-misoperation handle design, along with high-voltage and integrated modules

◆ Ensure overall insulation of the control system and prevent cathodic protection current leakage.

◆ Electrical positioners, position transmitters

◆ Safety relief valves and filter pressure reducing valves

◆ Integrated insulated filter piping fittings, online pressurized cleaning

 

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Application Cases

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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