Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10 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 SAIJ125 Adjustable Cylinder SAIJ125X110-10
The AirTAC SAIJ125X110-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 6136 N of push force at 0.5 MPa and features a 110 mm nominal stroke that can be fine-tuned down by up to 10 mm, creating a precise 100-110 mm usable travel window. This built-in adjustability allows you to dial in the retract end position during commissioning without adding external stops.
This bore size utilizes a G1/2 port and a robust 32 mm carbon steel rod with an M27x2 thread, providing high rigidity against side loads. The extruded aluminum barrel includes sensor grooves on both sides, and because this configuration omits the magnet option, position sensing requires a separate setup. The mounting set is specifically tailored to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10 Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10 |
|---|---|
| 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 SAIJ125 Adjustable Cylinder SAIJ125X110-10
| 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 SAIJ125 Adjustable Cylinder SAIJ125X110-10 Is Used
Machine Changeover
Dial in the 100-110 mm retract position precisely during product family changeovers, saving time by avoiding physical cylinder swaps.
Heavy Clamping Setup
Leverage the 6136 N push force to secure heavy workpieces, using the 10 mm adjuster to set the exact clamping depth.
End-Stop Calibration
Fine-tune the final retract position during initial commissioning to compensate for mechanical tolerance stack-up.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10 the Right Cylinder?
Choose this 125 mm bore when an 80 mm bore (2513 N push at 0.5 MPa) is insufficient for heavy positioning tasks, but a 160 mm bore (10053 N) would be excessive. The 10 mm adjustment window is ideal for applications requiring slight mechanical variance rather than massive travel changes. For any load-holding requirements without live air pressure, note that the rear adjuster acts only as a travel stop, not a lock; you should integrate an external pilot-operated check valve or explore the SAIL or BSAI series.
When replacing an ISO 15552 cylinder, match the 125 mm bore, 110 mm stroke, 10 mm adjustment, G1/2 PT port, and appropriate mounting bracket. Operating speed for this size is 30-500 mm/s. Since this unit has a 110 mm stroke, it is short enough that external guide rails are less critical than on longer strokes, but the heavy 32 mm rod still handles substantial offset loads effectively.
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 SAIJ125X110-10 FAQ
At 0.5 MPa operating pressure, this 125 mm bore cylinder provides 6136 N of push force and 5734 N of pull force. At 0.7 MPa, the push force increases to 8590 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 110 mm nominal stroke by up to 10 mm, resulting in a 100-110 mm usable travel window. It only sets the end position and does not lock the load without live air.
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