The single-acting pneumatic actuator passed TÜV testing and completed a 4-million-cycle life test.
2026-02-10
The tank root valve with a hydraulic actuator and the 600,000 Nm electro-hydraulic actuator have passed the new product appraisal by the China Machinery Federation.
2022-01-11
The project “Research and Application of a Dual-Acting Actuator Suitable for High-Torque Valves” was awarded the Second Prize in the Technical Invention category of the China Machinery Industry Science and Technology Award.
2022-01-11
The 600,000 Nm gas‑liquid actuator has passed the science and technology achievement appraisal organized by the China Machinery Industry Federation.
2022-01-11
The company has officially approved the development of a new generation of “parallel dual-guided horizontal layout pneumatic‑hydraulic actuators.”
2022-01-11
The hydraulic actuator has passed a third-party fire‑testing; the pneumatic–hydraulic actuator, paired with 20" Class 600 valves, is undergoing industrial testing on the Western Pipeline.
2022-01-11
The product has undergone comprehensive certification in accordance with the IEC 61508 functional safety standard, earning a full SIL3 certificate for a series of actuators including hydraulic, pneumatic, electro-hydraulic, and pneumo-hydraulic actuators. As a member of the Valve Drive Devices Subcommittee (SAC/TC188/SC2) under the National Valve Standardization Technical Committee, and as a drafting unit for the “Technical Specifications for Pneumatic–Source Interlocked Valve Actuators” standard, the company has been recognized as an advanced small, medium, and micro-sized technology enterprise.
2022-01-11
The “Intelligent Gas–Liquid Actuator” project has been designated as a research and development and industrialization unit under the Ministry of Science and Technology’s Torch Program. It has also obtained ISO 14001:2004 Environmental Management System Certification, GBT 28001-2011/OHSAS 18001:2007 Occupational Health and Safety Management System Certification, as well as EU CE certification for Pressure Equipment (PED), the ATEX Explosion Protection Directive, and Electromagnetic Compatibility (EMC).
2022-01-11
The Dg series parallel double‑guide pneumatic‑hydraulic actuator has been recognized as a key new product, and the company has been designated a National High‑Tech Enterprise.
2022-01-11
It has obtained ISO 9001 quality certification and has established its own corporate standards, which have been duly filed.
2022-01-11
Groundbreaking advancements have been made in mechanical structure, electronic control, hydraulic principles, control systems, and control modules, resulting in the complete launch of the DG series parallel double‑guide fork‑type pneumatic‑hydraulic actuator—incorporating multiple patents and boasting numerous core, independently owned intellectual property rights—as well as the PLPG2010 electronic monitoring pipe‑rupture control unit.
2022-01-11
We developed Meikeson’s first electronically controlled unit that can operate reliably and display parameters in environments as low as -40°C, and we have initiated mass production.
2022-01-11