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C Series Pneumatic Actuators Any inquiry, please contact with info@allied-actuator.com 
As early as 2003, we started manufacturing ACHEM C series pneumatic actuators in partnership with Allied Flow Control Co. in USA. After 15 years of production and improvement, C series pneumatic actuator has become a high-quality classic product in ALPHA-ACHEM group. The actuator features a top mount multifunction indicator and open-close stops adjustment as a standard. In addition, the state-of -the-art engineering design has allowed us to reduce the size of the actuator without losing any torque. Up to now, C series pneumatic actuator has successfully got the approvals of CE, SIL3, IECEx and ATEX. Here are the product features and working conditions. 1. Specification and Output TorqueC series pneumatic actuator has 17 specifications and the model is C-40, C-52, C-63, C-75, C-83, C-92, …… C-270, C-300, C-350 and C400 respectively. Double acting and spring return is available for the actuator. The double acting actuator's output torque range is from 11.9Nm to 8140Nm at 5 bar and the spring return actuator's output torque (fail to closed) range is from 4.3Nm to 4199Nm. 
 4. Namur Interface (VDI/VDE 3845, BS EN15714-3:2009(E))
5. Valve Mounting (Flange dimensions)The valve mounting dimensions on C series actuator fully comply with the international standard of 5211:2001(E). The British system mounting pattern is available for choice. 6. Driving modeThis actuator is able to offer double square, double D or keyed (FK) female driving mode for a number of different new or existing valve stem configurations.  7. Material, Coating and working atmosphereThe body and the end-cap of the actuator are made of extruded aluminum and die-casting aluminum respectively. Hard anodized coated for the body and anodized + polyester coated for the end-cap are standard coating for D series actuator. The nickel phosphorus or PTFE coated are optional for use in a harsh environment.  Double actingStandard Assembly:
Air to port A forces the pistons outwards, causing the pinion to turn counterclockwise while the air is being exhausted from port B. Air to port B forces the pistons inwards, causing the pinion to turn clockwise while the air is being exhausted from port A. Reverse Assembly:
Spring returnStandard Assembly (fail to close)
Air to port A forces the pistons outwards, causing the springs to compress, the pinion turns counterclockwise while air is being exhausted from port B. Loss of air pressure on port A, the stored energy in the springs forces the pistons inwards. The pinion turns clockwise while air is being exhausted from port A. Reverse Assembly (fail to open)
How to orderThere are six parts in model and specification of ACHEM C series pneumatic actuator.
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