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 Piston Rod Cylinder - 25mm Bore, 40mm Stroke, C85 Series, Double Acting, SMC, CD85N25-40-B

CD85N25-40-B
SMC C85 Pneumatic Cylinders SMC C85 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. The double-swaged end caps provide an air tight seal. The cylinders offer high dust resistance through the use of a specially-designed and unique dust seal, making SMC C85 pneumatic cylinders suitable for use in extremely dusty environments. A low friction design that incorporates elastomer cushion seals allows the the cylinders to operate at speeds up to 1500 mm/s. C85 cylinders are suppied with a piston rod locknut and nose-mounting nut; installation is made easy through the use of large spanner flats and the space-saving design.
$133.80

Pneumatic Piston Rod Cylinder - 25mm Bore, 40mm Stroke, CU Series, Double Acting, SMC, CDU25-40D

CDU25-40D
The SMC free mount cylinder has multiple surface direct mounted rectangular body with no brackets allows freedom of the mounting surface. It has auto-switch capabilities, free mount choices, recessed switch mounting grooves and rubber bumpers standard. Non-rotating Rod Bore sizes from 6mm to 32mm available Stroke lengths up to 50mm
$197.81

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, C85 Series, Double Acting, SMC, C85N25-50

C85N25-50
SMC C85 Pneumatic Cylinders SMC C85 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. The double-swaged end caps provide an air tight seal. The cylinders offer high dust resistance through the use of a specially-designed and unique dust seal, making SMC C85 pneumatic cylinders suitable for use in extremely dusty environments. A low friction design that incorporates elastomer cushion seals allows the the cylinders to operate at speeds up to 1500 mm/s. C85 cylinders are suppied with a piston rod locknut and nose-mounting nut; installation is made easy through the use of large spanner flats and the space-saving design.
$177.37

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, C85 Series, Double Acting, SMC, CD85N25-50-B

CD85N25-50-B
SMC C85 Pneumatic Cylinders SMC C85 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. The double-swaged end caps provide an air tight seal. The cylinders offer high dust resistance through the use of a specially-designed and unique dust seal, making SMC C85 pneumatic cylinders suitable for use in extremely dusty environments. A low friction design that incorporates elastomer cushion seals allows the the cylinders to operate at speeds up to 1500 mm/s. C85 cylinders are suppied with a piston rod locknut and nose-mounting nut; installation is made easy through the use of large spanner flats and the space-saving design.
$160.73

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, C85 Series, Double Acting, SMC, CD85N25-50C-B

CD85N25-50C-B
SMC C85 Pneumatic Cylinders SMC C85 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. The double-swaged end caps provide an air tight seal. The cylinders offer high dust resistance through the use of a specially-designed and unique dust seal, making SMC C85 pneumatic cylinders suitable for use in extremely dusty environments. A low friction design that incorporates elastomer cushion seals allows the the cylinders to operate at speeds up to 1500 mm/s. C85 cylinders are suppied with a piston rod locknut and nose-mounting nut; installation is made easy through the use of large spanner flats and the space-saving design.
$164.53

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, C85 Series, Single Acting, SMC, C85N25-50S

C85N25-50S
SMC C85 Pneumatic Cylinders SMC C85 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. The double-swaged end caps provide an air tight seal. The cylinders offer high dust resistance through the use of a specially-designed and unique dust seal, making SMC C85 pneumatic cylinders suitable for use in extremely dusty environments. A low friction design that incorporates elastomer cushion seals allows the the cylinders to operate at speeds up to 1500 mm/s. C85 cylinders are suppied with a piston rod locknut and nose-mounting nut; installation is made easy through the use of large spanner flats and the space-saving design.
$125.50

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, CDG1 Series, Double Acting, SMC, CDG1BN25-50Z

CDG1BN25-50Z
CG1 Air Cylinder The CG1 series from SMC are precision air cylinders which have various bore sizes to meet the any application need. These cylinders allow low break away pressure, smooth stroke action, has auto switch capability and multiple mounting options. Air Cylinder, Double Acting, Single Rod Built-in magnet Proof pressure: 1.5 MPa Maximum operating pressure: 1.0 MPa Minimum operating pressure: 0.05 MPa Cushion: Rubber bumper
$108.87

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, CG1-Z Series, Double Acting, SMC, CDG1BA25-50Z

CDG1BA25-50Z
The SMC single rod, double acting air cylinder has 8 bore sizes and can meet any application need. The tube is impact extruded aluminium to produce an extraordinarily smooth finish, allow low break-away pressure and smooth stroke action. Female piston rod Easy fine adjustment of auto switch position Various mounting bracket options
$141.50

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, CU Series, Double Acting, SMC, CDU25-50D

CDU25-50D
CU Series Cylinders The series CU free mount cylinder saves space and allows direct and precise mounting, Options include auto-switch capabilities, free mount choices, recessed switch mounting grooves, non-rotating rod, single and double acting and rubber bumpers standard. Maximum operating pressure 7 bar, 10.5 bar proof pressure Ambient and fluid temperature 5°C to 60°C Lubrication not required Rubber cushion to both sides Stroke allowance +1.0mm Port size M5, except 32Ø which is Rc(PT) 1//8 in. CDU 10 - 32mm Diameter A range of double acting, 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.
$219.21

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, CXS Series, Double Acting, SMC, CXSL25-50

CXSL25-50
The SMC dual piston rod cylinder with ball bearing slide. It has strokes from 10mm through 100mm depending upon bore size. 3-side work piece mounting Variety of switches and a variety of lead wire lengths
$901.86

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, CXS Series, Double Acting, SMC, CXSM25TF-50A

CXSM25TF-50A
The SMC compact type dual piston rod cylinder has non-rotating accuracy ± 0.1°. The high precision ball bushing type allows for smooth operation that ensures stable travel resistance. Auto switch can be installed from 3 directions Symmetric mounting Axial piping available
$905.34

Pneumatic Piston Rod Cylinder - 25mm Bore, 50mm Stroke, MU Series, Double Acting, SMC, MDUB25-50DMZ

MDUB25-50DMZ
Plate Cylinder, Double Acting, Single Rod. Reduced labour when mounting the switch. Auto-switch doesn't protrude. It's possible to mount the autoswitches in four directions. A maximum 62% width reduction For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.
$223.55