Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10S 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 SAIJ125X110-10S
The AirTAC SAIJ125X110-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 6136N of push force at 0.5 MPa. Fitted with a PT tapered port and an integrated magnet, it supports AirTAC CMSE reed and DMSE electronic sensors for precise position detection. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This model features a 110mm nominal stroke that can be fine-tuned down by up to 10mm, creating a 100-110mm usable travel window. This built-in adjuster allows you to dial in the retract end-position during commissioning without adding external stops or swapping the cylinder. The rear screw acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10S |
|---|---|
| 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 SAIJ125X110-10S
| 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 SAIJ125X110-10S Is Used
Precision End-Stop Tuning
Dial in the exact retract position within the 100-110mm window during machine commissioning to achieve perfect alignment without external shims.
Product Size Changeovers
Quickly adjust the stroke end-position by up to 10mm on packaging lines when switching between slightly different product dimensions.
Heavy-Duty Forming
Leverage the 6136N push force at 0.5 MPa for pressing or forming operations that require precise, adjustable end-of-travel positioning.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X110-10S the Right Cylinder?
Choose this 125mm bore when you need significantly more thrust than a 100mm bore provides (3927N push at 0.5 MPa) but want to avoid the larger footprint of a 160mm option. The adjustable stroke is ideal for applications requiring variable end-stops or frequent product changeovers, offering setup flexibility that a fixed-stroke SAI cylinder cannot match. Because the stroke is 110mm, side-load stress is minimal, though the robust 32mm rod and M27x2 thread handle substantial loads.
For an exact ISO 15552 replacement, match the 125mm bore, 110mm stroke, 10mm adjustment, PT port, and -S magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. If your application requires true load-holding without continuous air pressure, use an external rod lock or pilot-operated check valve, as the SAIJ adjuster is not a locking device.
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 SAIJ125X110-10S FAQ
At 0.5 MPa operating pressure, this 125mm bore cylinder provides 6136N of push force and 5734N of pull force. At 0.7 MPa, the push force increases to 8590N.
The rear adjuster screw allows you to shorten the 110mm nominal stroke by up to 10mm, providing a usable travel window of 100-110mm. This stopper fine-tunes the end position but does not lock the load without live air pressure.
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