Airtac SAID40 Double Rod Cylinder SAID40X230
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40X230 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 230mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke230 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40X230
The AirTAC SAID40X230 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 230mm stroke. Because a carbon steel rod exits both end covers, the annulus area is identical on extend and retract, yielding a balanced 528N output force both ways at 0.5MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This through-rod design allows you to mount the primary workpiece on one end and attach a cam, position flag, or secondary mechanism on the opposite end. It provides superior anti-rotation guidance compared to a single-rod SAI, while the PT tapered port threads ensure a tight, reliable pneumatic connection.
Airtac SAID40 Double Rod Cylinder SAID40X230 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40X230 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 230 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID40 Double Rod Cylinder SAID40X230
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×230 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAID40 Double Rod Cylinder SAID40X230 Is Used
Symmetric Force Transfer
Provides equal 528N push and pull forces for material handling systems requiring consistent kinetic energy in both directions.
Anti-Rotation Slides
The twin-rod architecture prevents piston rotation, making it ideal for driving vertical lifting slides or guided presses.
Through-Rod Sensing
Mount the primary tool on the front rod and use the rear rod end to trip a limit flag or cam for external position tracking.
Is the Airtac SAID40 Double Rod Cylinder SAID40X230 the Right Cylinder?
Choose this 40mm bore when an application requires symmetric force and dual-side guidance, stepping up from the 32mm bore (345N at 0.5MPa) or down from the 50mm bore (825N at 0.5MPa). A double-rod configuration is preferred over a single-rod SAI when you need to drive twin stations or prevent load rotation. Note that this cylinder does not hold its position if air pressure is lost; for fail-safe load holding, consider the SAIL or BSAID series.
This model is dimensionally interchangeable per ISO 15552 and uses a reduced mounting accessory set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. Since the 230mm stroke is over 300mm, ensure external guides are used to prevent rod-bearing bending under heavy side loads.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAID40 Double Rod Cylinder SAID40X230 FAQ
Because the double-rod design subtracts the rod area on both sides, the output force is identical in both directions. It provides 528N at 0.5MPa, 739N at 0.7MPa, and 950N at 0.9MPa.
Yes, it is dimensionally interchangeable with ISO 15552 cylinders. It supports a specific subset of mounts: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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