Airtac SAIJ125 Adjustable Cylinder SAIJ125X130-10
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X130-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 130mm 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
- Stroke130 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125X130-10
The AirTAC SAIJ125X130-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 6136N of push force at 0.5 MPa. It features a 125mm bore and a 130mm nominal stroke, yielding a precise 120-130mm usable travel window for exact end-position tuning. The standard carbon steel rod and PT tapered port threads ensure durable, leak-free pneumatic connections.
This adjustable-stroke design allows you to dial in the retract position during commissioning without adding external stops or swapping the cylinder. The rear screw acts purely as a travel stop, meaning the air cushion and adjuster do not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X130-10 Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X130-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 130 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 SAIJ125X130-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×130 | 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 SAIJ125X130-10 Is Used
Machine Changeover
Dial in the 120-130mm travel window during product size changes to set new retract endpoints without physically swapping cylinders.
Heavy Clamping
Leverage the 6136N push force at 0.5 MPa to secure heavy workpieces, using the rear screw to fine-tune the exact clamping depth.
Assembly Station Setup
Achieve precise end-position tuning at commissioning, allowing operators to adjust the stroke by up to 10mm to perfect the press fit.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X130-10 the Right Cylinder?
Choose this 125mm bore cylinder when an application requires heavy thrust (6136N at 0.5 MPa) alongside precise end-stop tuning. If your force requirements are lower, stepping down to a 100mm bore provides 3927N, whereas moving up to a 160mm bore yields 10053N. The adjustable 120-130mm travel window is ideal for product changeovers on a line, offering more setup flexibility than a fixed-stroke SAI cylinder.
To match this ISO 15552 dimensionally interchangeable cylinder, confirm the 130mm stroke, 10mm adjustment range, PT port thread, and carbon steel rod. It supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Operating speed for this bore size is 30-500 mm/s. Because it lacks a magnet, it does not support CMSE or DMSE sensors without a custom -S suffix.
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 SAIJ125X130-10 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 effective travel from the nominal 130mm down to 120mm. This creates a 120-130mm usable window for fine-tuning the retract end position during setup.
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