Airtac SAI125 Standard Air Cylinder SAI125X230
The AirTAC Airtac SAI125 Standard Air Cylinder SAI125X230 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 230mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ125 mm
- Stroke230 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAI125 Standard Air Cylinder SAI125X230
The AirTAC SAI125X230 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Providing a robust push force of 6136 N at 0.5 MPa, this 125 mm bore unit is built to handle substantial loads across its 230 mm stroke. The extruded aluminum barrel design omits tie-rods, delivering a clean profile that drops directly into standardized ISO 15552 mounting interfaces.
Equipped with adjustable air cushions at both ends, it effectively decelerates high-mass loads to prevent end-cap impact. The standard configuration utilizes a durable carbon steel piston rod and PT tapered port threads. For environments requiring position feedback, the barrel features dual sensor grooves designed for CMSE or DMSE switches when a magnet is specified.
Airtac SAI125 Standard Air Cylinder SAI125X230 Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125X230 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 230 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI125 Standard Air Cylinder SAI125X230
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | 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 SAI125 Standard Air Cylinder SAI125X230 Is Used
Heavy Stamping
Provides the high thrust needed for pressing and stamping rigid metal components in automated fabrication lines.
Injection Molding
Handles heavy core pulling and mold ejection tasks where substantial force and reliable cushioning are mandatory.
Pallet Handling
Drives robust lifting and positioning mechanisms for heavy pallets in high-throughput distribution centers.
Is the Airtac SAI125 Standard Air Cylinder SAI125X230 the Right Cylinder?
Selecting this 125 mm bore is ideal when a 100 mm cylinder lacks the necessary thrust, offering a significant step up from the 3927 N push force of the smaller bore at 0.5 MPa. Conversely, if your application only requires around 2500 N, stepping down to an 80 mm bore can save space and air consumption. At a 230 mm stroke, this model is well within standard limits but still requires attention to side-load management; using external guides or a guided cylinder carriage will prevent rod-bearing bending and premature seal wear.
This model operates efficiently at speeds of 30-500 mm/s. If your machinery requires the load to remain securely in place during a complete loss of air pressure, note that the standard adjustable cushion only decelerates the piston at stroke end and does not act as a brake. For positive holding, consider the SAIL variant with an air-released lock or the BSAI bidirectional clamp-lock cylinder.
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 SAI125 Standard Air Cylinder SAI125X230 FAQ
At 0.5 MPa, this cylinder provides a push force of 6136 N and a pull force of 5734 N. If operating at 0.7 MPa, the push force increases to 8590 N.
Yes, the SAI125X230 is dimensionally interchangeable per ISO 15552. It serves as a drop-in replacement for other ISO 15552 profile cylinders, matching standard mounting dimensions and G1/2 ports.
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