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A Series Stainless Steel Actuators

Any inquiry, please contact with info@allied-actuator.com

ACHEM A Series pneumatic actuators are 100% stainless steel actuators with the strong point of the fourth generation rack & pinion pneumatic actuators. Based on latest CNC machining centers & mechanical manufacturing technology,and nearly 20 years know-how of the rack & pinion technology, this actuators we manufactured is a high grade product with the characteristics of reliability, high performance, long cycle life and already proved to be used in most corrosive chemicals environment as well as most harsh industry environment.

1. Excellent corrosion resistance

All main parts of A series actuator are made from stainless steel. The body and end-caps is made by investment casting stainless steel. The CF8 (304) and CF8M (316) are available for choice. The pinion and fastening are made by 304 or 316 on requiring. High quality anticorrosive materials ensure that this kind of stainless steel pneumatic is able to offer excellent resistance to most corrosive chemicals (such as acid,alkali ) as well as corrosive industry atmospheres, such as offshore, oil and gas platform, pharmaceutical and food industry.

2. Wide scope of output torque

  1. Totally, we have 16 different size (specifications) actuators for choice. The output torque range is from 15Nm to 3815Nm at 5 bar for double acting. As for spring return, The output torque (fail closed) range is available to choice from 4.5Nm to 1752Nm. The A-300 stainless steel actuator with 3815Nm is biggest one in the World now.

3. Rotary travel and it's adjusting

  1. The rotary travel range of the actuator is 0° to 90°. Armed with two independent external travel adjusting bolts, the actautor is available to have ±5°adjustment at 0°and 90° travel ends.

4. Namur and 5211 Mount.


A series Stainless Steel Pneumatic Actuators are designed to incorporate Namur (VDI/VDE 3845, BS EN15714-3:2009E) mounting for solenoids, limit switches and positioners and offer a 5211:2001(E) combination mounting pads that allow you to mount directly to quarter turn valves.


5. Cartridge springs

To ensure long term trouble-free operation, A series pneumatic actuator uses preloaded springs for fail closed serves. The springs are made from piano spring material with cartridge structure which can be demounted safely and conveniently to drive a variety of valves by changing quantity of springs.

6. Operating media and working pressure

Dry and lubricated air, or nonexplosive filtered gas. The maximum particle diameter must less than 30um. The working pressure of the air is from 2 ~ 8Bar.

7. Operating temperature

Standard temperature (NBR O-ring): -20°C ~ +80°C

Low temperature (LNBR O-ring): -40°C ~ +80°C

High temperature (Viton O-ring): -15°C ~ +150°C

Cold temperature (LNBR-R O-ring): -55°C ~ +80°C

Thank you for the visting. If you need detailed technical parameters and catalogue, please visit the download area of this website or directly contact with us (info@allied-actuator.com).