AT series pneumatic actuators, with integrated precision machining equipment, high quality materials and industrial art design technology. Smooth operation, long working life, high corrosion resistance.
High-torque scotch yoke pneumatic & hydraulic actuators designed for large-bore pipeline valves, ESD applications, and extreme industrial services.
AT series pneumatic actuators, with integrated precision machining equipment, high quality materials and industrial art design technology. Smooth operation, long working life, high corrosion resistance
3-position pneumatic actuators designed for applications requiring precise intermediate stopping positions at 0°–45°–90° or 0°–90°–180°. Available in double acting and spring return configurations, with an adjustable intermediate position for dosing, filling and industrial valve automation.
Ready-to-install automated valve assemblies comprising high-grade valves, Huaji actuators, solenoids, limit switch boxes, and smart electro-pneumatic positioners.
3-position pneumatic actuators designed for applications requiring precise intermediate stopping positions at 0°–45°–90° or 0°–90°–180°. Available in double acting and spring return configurations, with an adjustable intermediate position for dosing, filling and industrial valve automation.
Ready-to-install automated valve assemblies comprising high-grade valves, Huaji actuators, solenoids, limit switch boxes, and smart electro-pneumatic positioners.
Wuxi Huaji Machinery Manufacturing Co., Ltd. is located in No.292, Dongsheng Road, Donggang Town, Xishan District, Wuxi City. We specialize in precision CNC machining, hard anodized cylinder extrusion, and assembly of high-performance quarter-turn pneumatic actuators.
Our actuators and integrated automated valve packages are trusted across chemical processing, water treatment, LNG, metallurgy, paper mills, and industrial automation in over 40 countries worldwide.
To meet escalating global demand for quarter-turn automated valve packages, Huaji Machinery has commissioned 8 new high-precision 4-axis CNC machining centers in Wuxi, increasing annual production capacity to over 180,000 units.
Understanding explosion-proof requirements under European ATEX Directive 2014/34/EU for non-electrical equipment operating in explosive gas and dust environments.
A comprehensive engineering guide on torque curve matching, break-to-open vs. run torque, and sizing economics for butterfly and ball valves DN200 and above.
| Parameter | Specification |
|---|---|
| Operating Medium | Dry/lubricated air, non-corrosive gas (<30μm) |
| Air Supply Pressure | 2.5 – 8.0 Bar (10 Bar test) |
| Standard Temp. | –20°C to +80°C (NBR seals) |
| Rotation Angle | 90° ± 5° Quarter Turn |
| Bottom Flange | ISO5211 / DIN3337 |
| Top Interface | NAMUR VDI/VDE3845 |
| Torque Range | 20 Nm – 130,000 Nm |
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