Airtac SAI125 Standard Air Cylinder SAI125BX110
The AirTAC Airtac SAI125 Standard Air Cylinder SAI125BX110 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 110mm 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
- Stroke110 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAI125 Standard Air Cylinder SAI125BX110
The AirTAC SAI125X110 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Delivering a robust 6136 N push force at 0.5 MPa, this 125mm bore unit is built to handle high-impact industrial tasks. The 110mm stroke provides the exact extension needed for substantial clamping and lifting operations.
This model features a SUS304 stainless steel piston rod (code B) for superior corrosion resistance in harsh environments. It utilizes a tapered PT port thread and includes an extruded aluminum barrel with integrated sensor grooves on both sides, ready for CMSE or DMSE switches when a magnet is required.
Airtac SAI125 Standard Air Cylinder SAI125BX110 Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125BX110 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 110 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 SAI125BX110
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×110 | 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 SAI125BX110 Is Used
Heavy Metal Stamping
Provides the high clamping force required to hold large sheet metal blanks securely in place during heavy-duty stamping and punching operations.
Automotive Assembly Presses
Drives robust actuators in automotive body-in-white assembly lines, ensuring components are rigidly positioned for robotic welding.
Pallet Handling Systems
Lifts and transfers heavy loaded pallets between conveyor zones, utilizing the 110mm stroke to clear packaging or indexing mechanisms.
Is the Airtac SAI125 Standard Air Cylinder SAI125BX110 the Right Cylinder?
Select this 125mm bore when 80mm falls short—the SAI80 yields 2513 N at 0.5 MPa, whereas this SAI125 delivers 6136 N, making it the clear choice for heavy load manipulation. Because the 110mm stroke is relatively short for this bore, side-load stress on the rod bearing is minimal.
For operations that must retain a load during a complete loss of air pressure, remember that the adjustable air cushions only decelerate the piston at stroke ends and will not lock the rod in place. For true position holding, consider integrating the SAIL pneumatic lock variant or an external pilot-operated check valve. As a true ISO 15552 profile cylinder, it serves as a drop-in dimensional replacement for other ISO 15552 cylinders, utilizing a G1/2 port and standard TC trunnion or FA flange mounts.
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 SAI125BX110 FAQ
At a 0.5 MPa operating pressure, the SAI125X110 generates a push force of 6136 N and a pull force of 5734 N. At the maximum operating pressure of 1.0 MPa, it can deliver up to 1251 kgf of theoretical force.
Yes, the SAI125X110 is a genuine ISO 15552 profile cylinder. Its standardized mounting interface and G1/2 port make it dimensionally interchangeable with other ISO 15552 cylinders, allowing for seamless drop-in replacements without modifying existing machine footprints.
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