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 Compact Cylinder - 20mm Bore, 20mm Stroke, CQ2 Series, Double Acting, SMC, CDQ2WB20-20DZ

CDQ2WB20-20DZ
The SMC standard double acting, single rod version of the CQ2 compact cylinder. It is available in bore sizes from 12mm to 100mm. It comes standard with male or female piston rod threads. It is possible to mount auto switches on any of the 4 surfaces. Auto switch capable Standard stroke range 5 to 100mm
$134.91

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, CQ2 Series, Double Acting, SMC, CQ2B20-20D

CQ2B20-20D
Cylinders Compact single and double acting cylinders, considerably shorter than corresponding tie rod designs. Space and weight saving Magnetic piston Proof pressure 15bar Operating pressure range 0.05MPa (0.51kgf/cm2) min to 10bar max Supplied with tapered and parallel ports Temperature range (no freezing allowed) -10ºC to +70ºC (without auto switch), -10ºC to +60ºC (with auto switch) Internal female threaded rod ends Nitrile seals Lubrication not required Suitable for solid state switch D-M9PL
$88.90

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, CQ2 Series, Double Acting, SMC, CQ2B20-20DC

CQ2B20-20DC
The SMC compact cylinder is ideal for machine designs with small space requirements. It has square body shape gives flexibility for machine design and auto switch mounting allows for flexible designing requirements. A round slot for mounting small auto switches is provided on 4 surfaces Available up to ø200 Rubber cushion available
$99.04

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, CQS Series, Double Acting, SMC, CDQSB20-200DC

CDQSB20-200DC
The SMC compact cylinder is ideal for machine designs with small space requirements. It has square body shape gives flexibility for machine design and auto switch mounting allows for flexible designing requirements. Standard strokes up to 50 mm Rubber cushion available
$162.52

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, CQS Series, Double Acting, SMC, CDQSB20-20D

CDQSB20-20D
CQS Cylinders The CQS Series of Compact Cylinders is available for those small bore cylinder applications. Both switch capable and non-switch capable body styles are the same. Space and weight saving Magnetic or non-magnetic pistons available Proof pressure 15 bar Internal thread rod ends Nitrile seals Clean Lines Flush fitting auto switch as standard Variety of switches and a variety of lead wire lengths CQS 12-25 mm Diameter
$95.84

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, CQS Series, Double Acting, SMC, CDQSB20-20DM

CDQSB20-20DM
The SMC CQS series compact cylinder is available for those small bore cylinder applications where saving space is a concern. The CQS offers standard long strokes in four bore sizes from 12 to 25mm. Square body shape gives flexibility for machine design Ideal for machine designs with small space requirements Allows installation close against a wall Compact foot bracket
$106.77

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, CQS Series, Double Acting, SMC, CDQSKB20-20D

CDQSKB20-20D
The SMC compact cylinder is ideal for machine designs with small space requirements. It has square body shape gives flexibility for machine design and auto switch mounting allows for flexible designing requirements. Standard strokes up to 50 mm Rubber cushion available
$147.28

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, CQU Series, Double Acting, SMC, CQUB20-20M

CQUB20-20M
The SMC Compact cylinder is small type of auto switch can be mounted from 4 directions. No protrusion of auto switch from the mounting slot. Easy maintenance Piston area equivalent to 20 mm
$164.86

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, RSQ Series, Double Acting, SMC, RSDQB20-20D

RSDQB20-20D
Compact Cylinders The RSQ series is a fixed-height stopper cylinder with high endurance and low breakaway characteristics. Large rod and cylinder bearings give very high side impact resistance Magnetic piston Rubber seals Proof pressure 15 bar Maximum operating pressure 9.9 bar Temperature range -10°C to +60°C Lubrication not required Supplied with mounting bolts and switch mounting brackets Ideal for conveyor applications RSQ Stopper 20-40mm Diameter .
$134.87

Pneumatic Compact Cylinder - 20mm Bore, 20mm Stroke, RSQ Series, Double Acting, SMC, RSDQB20TF-20DZ

RSDQB20TF-20DZ
The RSQ series is a fixed-height stopper cylinder with proven endurance and low breakaway characteristics. The RSG series is an adjustable mounting height stopper cylinder. It can be raised or lowered according to the distance required to stop the work piece. The RSH heavy-duty stopper cylinder is specially designed for use on conveyor lines or other applications requiring an external stopping device. Fixed height stopper cylinder Double acting and single acting available Bore sizes: 12mm to 50mm Stroke range: 10mm to 30mm Auto switch capable
$180.96

Pneumatic Compact Cylinder - 20mm Bore, 25mm Stroke, C55 Series, Double Acting, SMC, C55B25-20

C55B25-20
The SMC compact cylinder is possible to mount small auto switches on 4 surfaces depending on the installation conditions. It improved flexibility of system design even if 2-color indication solid state auto switches are fixed at a proper operating range, Allowable lateral load Auto switch available
$122.79

Pneumatic Compact Cylinder - 20mm Bore, 25mm Stroke, C55 Series, Double Acting, SMC, CD55B20-25

CD55B20-25
C55 Compact ISO Cylinder ISO Standard compact cylinder with hard anodized aluminium body. Available as double acting with magnetic piston as standard. ISO standard 21287 Compact Magnetic sensing Note Fastening elements should be ordered separately. Standards ISO 21287
$101.15