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Pneumatic Actuators and Air Cylinders

Shop for your pneumatic actuators and air cylinders from Airtac. We carry air grippers, guided air cylinders, standard air cylinders, round body air cylinders, compact air cylinders, rodless air cylindersrotary actuators, air/oil tandem cylinders, clamping cylinders and stopper cylinders.

There are two basics types of pneumatic actuators: linear and rotary. Linear actuators, commonly known as air cylinders or air rams, move objects in a straight line with the use of a piston rod. Compressed air either pushes or pulls the piston rod in and out of the cylinder barrel. This motion moves whatever mechanisms are connected to the rod. Single acting cylinders use one compressed air port to either  push or pull the rod in a single direction. The rod then returns via spring action. Double acting cylinders use compressed air ports on both ends of the cylinder to extend and retract the rod. Certain series of Airtac cylinders come with cushions, which allows for quieter piston operation. Most air cylinders have several different mounting types available.airtac hrq

In contrast to linear actuators, rotary actuators rotate objects around an axis. They use compressed air that produces continuous torque. Airtac’s rotary actuators have a double rack-and-pinion design. Air enters through a port that pushes the piston linearly, which causes the connected rack’s gear teeth to engage with the teeth of the circular pinion and rotate the pinion shaft up to 360 degrees. Rotary actuators also come with cushioning which allows for quieter operation.

** When choosing thread type, please reference the following standards:
NPT – American standard taper pipe threads for general use
M – Metric screw threads M profile
Rp or G (BSPP) – British standard pipe (parallel) threads
PT – JIS taper pipe threads

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