Pneumatic Piston Rod Cylinders

Pneumatic piston rod cylinders—also known as air cylinders or pneumatic actuators—are devices that transform compressed air into linear movement. These cylinders contain a piston housed inside a chamber, and the motion of the rod generates the required force. Their compact design and light weight make them ideal for shorter stroke applications such as positioning, clamping, or ejecting smaller parts.

These cylinders work by using pressurized air to push the piston along its axis. In a single-acting pneumatic cylinder, air is introduced through one port, moving the piston in one direction. A spring mechanism returns the piston when the air is released. In contrast, double-acting pneumatic cylinders feature two ports, enabling controlled extension and retraction for more versatile motion control.

Types of Pneumatic Piston Cylinders

Single-Acting Cylinders: These use air pressure to move the rod in one direction, with a spring to retract it. They are ideal for operations that only need force in one direction, like ejection or part positioning.

Double-Acting Cylinders: Compressed air powers movement in both directions, giving precise bidirectional control. They are widely used in automation and pressing tasks due to their enhanced functionality.

Standard Piston Rod Cylinders: These cylinders feature an external rod extending from the chamber to apply linear force. Available in a variety of dimensions, they are suitable for use in compact automation systems, packaging lines, and material transfer applications.

Rodless Cylinders: These are designed to produce linear motion without a protruding rod, saving space. They are commonly used in tight environments such as AGVs (automated guided vehicles), conveyor units, and pick-and-place systems. Types include magnetic-coupling, cable-actuated, and slotted variants.

Choosing the Right Pneumatic Cylinder: Sizing & Specs

When selecting a pneumatic cylinder, it’s important to evaluate several factors to ensure performance and compatibility with your system:

  • Stroke Length: This determines how far the piston rod moves. Match it with the movement required by your process.
  • Bore Diameter: The cylinder’s internal diameter influences the output force. Larger bores produce more force, essential for heavy-duty tasks.
  • Operating Pressure: Ensure the cylinder can handle the air pressure levels used in your setup—common ratings include up to 1 MPa.
  • Mounting Style: Choose a mounting type—such as flange, foot, or clevis—that offers stable and secure installation for your equipment layout.

Common Applications for Pneumatic Piston Rod Cylinders

  • Manufacturing: Used in production lines for tasks like pressing, clamping, and aligning parts. They are especially valued for their precision and repeatability.
  • Packaging: Ideal for processes like pushing items into cartons, sealing, or labeling, thanks to their speed and reliability.
  • Material Handling: Employed to automate lifting, moving, and sorting of goods in warehouses and distribution centers.
  • Automotive: Crucial in automated assembly and testing systems, including robotic arms and welding stations.

Why Choose Pneumatic Resources Australia?

As a trusted supplier of pneumatic piston cylinders, Pneumatic Resources Australia provides a wide assortment of high-quality components to suit every application. Partnering with industry leader SMC, we offer durable and high-performance piston rod cylinders, including double-acting and compact designs.

We also stock essential accessories like flow regulators and DIN rail mounting brackets, giving you a complete solution for your pneumatic setups. Enjoy competitive pricing, nationwide delivery, and exceptional customer support when you shop with us. Explore our delivery details on our website and build your pneumatic systems with confidence. Place your order today with Pneumatic Resources Australia!

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Double Acting Cylinder - 25mm Bore, 10mm Stroke, CQ2 Series, Double Acting, SMC, CQ2A25-10D

CQ2A25-10D
The SMC series CQ2 offers compact cylinder, with double acting and single rod. Improved auto-switch mounting possibilities plus an overall reduction of cylinder weight of between 5 -13% depending on the model. Minimise overall machine weight and increase the productivity Save space in your machines Fit CQ2 to your application requirements
$82.57

Double Acting Cylinder - 25mm Bore, 15mm Stroke, CD85 Series, Double Acting, SMC, CD85N25-15-B

CD85N25-15-B
The SMC series CD85 double acting cylinders conform to ISO 6432 and CETOP RP52P standards, offer 100% mounting repeatability accuracy, incorporate abrasion-resistant seals, and a replaceable piston rod seal. The cylinders are corrosion-resistant, with the barrel and piston rod manufactured from stainless steel, double-swaged anodised aluminium end caps, and offer an exceptional service life. Conforms to ISO 6432 and CETOP RP52P Bore sizes (mm) 8, 10, 12, 16, 20, 25 Standard strokes up to 300 mm Auto switch capable
$146.91

Double Acting Cylinder - 25mm Bore, 200mm Stroke, CD85 Series, Double Acting, SMC, CD85KN25-200-B

CD85KN25-200-B
The SMC CD85 series ISO 6432 round body cylinder has a bore sizes 8, 10, 12, 16, 20, 25mm. Standard strokes up to 300 mm. Conforms to ISO 6432 and CETOP RP52P Bore sizes (mm) 8, 10, 12, 16, 20, 25 Standard strokes up to 300 mm Auto switch capable
$256.21

Double Acting Cylinder - 25mm Bore, 20mm Stroke, CQ2 Series, Double Acting, SMC, CDQ2A25-20DZ

CDQ2A25-20DZ
The SMC double acting compact cylinder features single rod with sensor mounting groove. Dust resistant Corrosion resistant Water resistant
$93.83

Double Acting Cylinder - 25mm Bore, 20mm Stroke, CQ2 Series, Double Acting, SMC, CQ2B25-20D

CQ2B25-20D
The SMC series CQ2 offers compact cylinder, with double acting and single rod. Improved auto-switch mounting possibilities plus an overall reduction of cylinder weight of between 5 -13% depending on the model. Minimise overall machine weight and increase the productivity Save space in your machines Fit CQ2 to your application requirements
$90.89

Double Acting Cylinder - 25mm Bore, 20mm Stroke, CQ2 Series, Double Acting, SMC, CQ2B25-20DM

CQ2B25-20DM
The SMC series CQ2 offers compact cylinder, with double acting and single rod. Improved auto-switch mounting possibilities plus an overall reduction of cylinder weight of between 5 -13% depending on the model. Minimise overall machine weight and increase the productivity Save space in your machines Fit CQ2 to your application requirements
$96.47

Double Acting Cylinder - 25mm Bore, 25mm Stroke, C85 Series, Single Acting, SMC, CD85N25-25T-B

CD85N25-25T-B
The SMC C85 is available in bore sizes 8mm through 25mm with standard strokes ranging from 10mm through 300mm. A unique rod packing design prevents entry of dust and the effectiveness of the seal is such that the C85 is suitable for use in extremely dusty Auto switch capable Conforms to ISO standard 6432
$133.63

Double Acting Cylinder - 25mm Bore, 25mm Stroke, CDQ Series, Double Acting, SMC, CDQ2A25-25DZ

CDQ2A25-25DZ
The SMC CDQ series compact cylinder is available for those small bore cylinder applications where saving space is a concern. While sharing many of the outstanding features Bore sizes (mm) 12, 16, 20, 25, 32, 40, 50, 63, 80, 100 Standard stroke range (mm) 5 to 100 Port threads M (12 to 25 bore) Rc, NPT or G (32 to 100 bore) Can mount small auto switches on 4 surfaces
$111.74

Double Acting Cylinder - 25mm Bore, 25mm Stroke, CDQ Series, Double Acting, SMC, CDQ2B25-25DZ

CDQ2B25-25DZ
The SMC CDQ series offered double acting cylinder. It has a single rod. Pneumatic piston rod cylinders consist of pistons in enclosures that generate linear motion. Their compact size and low weight range allow for shorter strokes than standard cylinders which make them suitable for positioning, clamping and ejecting smaller components. Minimise overall machine weight and increase the productivity Save space in your machines Fit CQ2 to your application requirements
$106.15

Double Acting Cylinder - 25mm Bore, 25mm Stroke, CQ2 Series, Double Acting, SMC, CQ2B25-25D

CQ2B25-25D
The SMC series CQ2 offers compact cylinder, with double acting and single rod. Improved auto-switch mounting possibilities plus an overall reduction of cylinder weight of between 5 -13% depending on the model. Minimise overall machine weight and increase the productivity Save space in your machines Fit CQ2 to your application requirements
$106.91

Double Acting Cylinder - 25mm Bore, 30mm Stroke, CDU Series, Double Acting, SMC, CDUK25-30D

CDUK25-30D
The SMC series CU free mount cylinder of double acting,non rotating, free-mount rectangular cylinders, with piston rod operation. Available as either standard or non-rotating. Rectangular design allows for precise and direct mounting. Each cylinder has a magnetic piston as standard. Bore sizes from 6mm to 32mm available Stroke lengths up to 50mm Non-rotating Rod Double acting Auto-switch capable
$275.02

Double Acting Cylinder - 25mm Bore, 30mm Stroke, CQ2 Series, Double Acting, SMC, CQ2B25-30D

CQ2B25-30D
The SMC series CQ2 offers compact cylinder, with double acting and single rod. Improved auto-switch mounting possibilities plus an overall reduction of cylinder weight of between 5 -13% depending on the model. Minimise overall machine weight and increase the productivity Save space in your machines Fit CQ2 to your application requirements
$88.19