Airtac SAIJ125 Adjustable Cylinder SAIJ125AX15-10S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125AX15-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 15mm 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
- Stroke15 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX15-10S
The AirTAC SAIJ125X15-10-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty, short-travel tasks. It delivers 6136N of push force at 0.5MPa and features a rear stroke adjuster that creates a 5-15mm usable travel window. This allows exact end-position tuning during commissioning without swapping hardware.
Equipped with a SUS420J2 stainless steel rod and a -S magnet, it integrates seamlessly with AirTAC CMSE reed and DMSE electronic sensors via the dual-side barrel grooves. The PT tapered port thread ensures a robust pneumatic connection for high-flow operations.
Airtac SAIJ125 Adjustable Cylinder SAIJ125AX15-10S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125AX15-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 15 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 SAIJ125 Adjustable Cylinder SAIJ125AX15-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×15 | 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 SAIJ125 Adjustable Cylinder SAIJ125AX15-10S Is Used
Short-Stroke Clamping
Provides high clamping force in tight spaces, using the 5-15mm adjustable window to dial in the exact grip distance for delicate or variable parts.
Position Calibration
Allows operators to fine-tune the retracted end-stop during machine setup, ensuring precise alignment without physically remounting the actuator.
Heavy-Duty Ejection
Delivers 6136N of thrust at 0.5MPa for ejecting heavy components, with the rear screw preventing over-travel on short ejection strokes.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX15-10S the Right Cylinder?
Choose this 125mm bore when an application demands high force in a very compact footprint, stepping up from a 100mm bore that provides 3927N push force at 0.5MPa. The adjustable 5-15mm window is perfect for applications requiring precise mechanical stops rather than adding external bumpers. For load-holding without live air pressure, note that the rear adjuster acts only as a travel stop; you should specify an external rod lock or pilot-operated check valve.
When matching your ISO 15552 replacement, verify the 15mm stroke, 10mm adjustment range, PT port thread, and the -S magnet option. Mounting choices include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ125 Adjustable Cylinder SAIJ125AX15-10S FAQ
At 0.5MPa operating pressure, this 125mm bore cylinder provides 6136N of push force and 5734N of pull force. It can reach a maximum push force of 11045N at 0.9MPa.
The rear adjuster screw allows you to trim the nominal 15mm stroke by up to 10mm, resulting in a 5-15mm usable travel window. This stopper sets the end position but does not lock the load without continuous air pressure.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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