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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Pneumatic Cylinder - 25mm Bore, 50mm Stroke, CG5 Series, Double Acting, SMC, CG5BN25TFSV-50

CG5BN25TFSV-50
The SMC CG5-S series is a stainless steel cylinder, perfect for use in wash down applications such as food processing machinery requiring intense cleaning. The use of non-toxic additives allows confident use in equipment for foods, beverages and medical products, etc. It can be disassembled, allowing replacement of seals, which promotes an extended service life. It has double acting with single rod. Auto switch capability Special scraper prevents water from entering cylinder Ambient and fluid temperature without auto switch –10 to 70°C,
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Pneumatic Cylinder - 25mm Bore, 50mm Stroke, CQ2 Series, Double Acting, SMC, CDQ2A25-50DMZ

CDQ2A25-50DMZ
The SMC CQ2 series compact cylinder has remodelled with a new body to get more flexibility and it has double acting, single rod with auto switch mounting groove. It is possible to mount auto switches on any of the 4 surfaces. Ambient and fluid temperature ranges from -10 to 60°C Small auto switch Reduction in labour for design Lighter weight
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Pneumatic Cylinder - 25mm Bore, 50mm Stroke, CQM Series, Double Acting, SMC, CQMB25-50

CQMB25-50
The SMC CQM is a compact cylinder integrated with a guide rod and plate. It used double acting with single rod version. It has non-rotating accuracy is 0.2 or less and it allows a work piece to be mounted directly to the tooling plate. The auto switches are mountable/removable even when the plate is retracted. Lateral load resisting 2–4times Mounting dimensions compatible with the CQS, CQ2 series Ambient and fluid temperature without auto switch –10°C to 70°C
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Pneumatic Cylinder - 25mm Bore, 60mm Stroke, C85 Series, Double Acting, SMC, CD85N25-60C-B

CD85N25-60C-B
The SMC C85 series pneumatic air cylinder conforms to ISO 6432 and CETOP RP52P. It is available in bore sizes from 8mm to 25mm with standard strokes ranging from 10mm to 300mm. A unique rod packing design prevents entry of dust and the effectiveness of the seal is such that it is suitable for use in extremely dusty environments. With abrasion resistant packing's and replaceable nose seals, it offers exceptional service life. High quality bronze bush in clevis bearing extends the life of cylinder Double swaging of the end covers of the barrel provides an absolutely air tight union Easy accurate mounting Minimized side clearance
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Pneumatic Cylinder - 25mm Bore, 80mm Stroke, C85 Series, Double Acting, SMC, C85Y25-80

C85Y25-80
The SMC C85 series has single rod, double acting, conforms to ISO 6432 and it has 25 mm of bore size. A unique rod packing's design prevents entry of dust and the effectiveness of the seal is such that the C85 is suitable for use in extremely dusty environments. With abrasion resistant packing's and replaceable piston rod seals, it offers exceptional service life. Ambient and fluid temperature ranges from -10 to 60°C Auto switch capable
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Pneumatic Cylinder - 25mm Bore, 80mm Stroke, C85 Series, Double Acting, SMC, CD85N25-80-A

CD85N25-80-A
The SMC C85 series pneumatic air cylinder conforms to ISO 6432 and CETOP RP52P. It is available in bore sizes from 8mm to 25mm with standard strokes ranging from 10mm to 300mm. A unique rod packing design prevents entry of dust and the effectiveness of the seal is such that it is suitable for use in extremely dusty environments. With abrasion resistant packing's and replaceable nose seals, it offers exceptional service life. High quality bronze bush in clevis bearing extends the life of cylinder Double swaging of the end covers of the barrel provides an absolutely air tight union Easy accurate mounting Minimized side clearance
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Pneumatic Cylinder - 25mm Bore, 80mm Stroke, C85 Series, Double Acting, SMC, CD85N25-80S-B

CD85N25-80S-B
The SMC C85 series pneumatic air cylinder conforms to ISO 6432 and CETOP RP52P. It is available in bore sizes from 8mm to 25mm with standard strokes ranging from 10mm to 300mm. A unique rod packing design prevents entry of dust and the effectiveness of the seal is such that it is suitable for use in extremely dusty environments. With abrasion resistant packing's and replaceable nose seals, it offers exceptional service life. High quality bronze bush in clevis bearing extends the life of cylinder Double swaging of the end covers of the barrel provides an absolutely air tight union Easy accurate mounting Minimized side clearance
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Pneumatic Cylinder - 25mm Bore, 80mm Stroke, CDU Series, Double Acting, SMC, CDU25-80D

CDU25-80D
The SMC CU series single rod, double acting, long stroke, free mount cylinder saves space and allows direct and precise mounting. The long stroke version is available with stroke lengths up to 100mm. The options include auto-switch capabilities, free mount choices, recessed switch mounting grooves and rubber bumpers standard. It has 25 mm of bore size. Any surfaces can be used for mounting Auto switch capable Stroke length is 80 mm
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Pneumatic Cylinder - 32mm Bore, 100mm Stroke, C55 Series, Double Acting, SMC, C55B32-100M

C55B32-100M
The SMC C55 double acting, air operated cylinder were designed to meet a broad range of automation machine application. It achieves outstanding load performance due to its unique rubber bumpers, piston wear ring, and rod bushing. It has standardized mounting options conform to both ISO 21287 and 6431. Snap ring construction allows easy and quicker maintenance Auto switched can be mounted on any of the four sides of the cylinder tube
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Pneumatic Cylinder - 32mm Bore, 100mm Stroke, C75 Series, Double Acting, SMC, CD75E32-100C-B

CD75E32-100C-B
The SMC C75 series air cylinder offer a simple, space saving design with high dimensional accuracy, making this cylinder very easy to use. It has large spanner flat on the rod and head covers greatly simplify their installation and positioning. It used double acting and single rod with 40 mm of bore size. Suitable mounting brackets can be selected for the installation condition. Improved amount of mounting freedom Rubber bumper air cushion
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Pneumatic Cylinder - 32mm Bore, 100mm Stroke, CQ2 Series, Double Acting, SMC, CDQ2A32TF-100DCZ

CDQ2A32TF-100DCZ
The SMC CQ2 series compact cylinder has remodelled with a new body to get more flexibility and it has double acting, single rod with auto switch mounting groove. It is possible to mount auto switches on any of the 4 surfaces. Ambient and fluid temperature ranges from -10 to 60°C Small auto switch Reduction in labour for design Lighter weight
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Pneumatic Cylinder - 32mm Bore, 100mm Stroke, MU Series, Double Acting, SMC, MDUB32-100DMZ

MDUB32-100DMZ
The SMC MU plate single rod, double acting, cylinder, with its elliptical design, provide a low profile while maintaining force output. The cylinder can eliminate the need for higher operating pressures that may be required for typical flat cylinder. The oval piston shape also provide an intrinsic non-rotating function without having to use a rod with flats, offering increased bearing and seal life. Possible to mount without brackets Auto switch mounting grooves prevent projection of auto switches Auto switches can be mounted in 4 directions
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