Airtac SAIJ100 Adjustable Cylinder SAIJ100BX325-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX325-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 325mm 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.
- BoreØ100 mm
- Stroke325 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX325-10
The AirTAC SAIJ100X325-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 325 mm nominal stroke that can be fine-tuned down by 10 mm, yielding a 315-325 mm usable travel window for precise end-position calibration during commissioning. Delivering a robust 3927 N push force at 0.5 MPa, it handles heavy actuation tasks with ease.
This variant incorporates a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Because the stroke exceeds 300 mm, an external guide is recommended to prevent excessive side-loading on the extended rod.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX325-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX325-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 325 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX325-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×325 | 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 SAIJ100 Adjustable Cylinder SAIJ100BX325-10 Is Used
Precision End-Stop Tuning
Dial in the exact 315-325 mm travel window during machine commissioning to perfect part ejection without physically swapping the actuator.
Product Changeover Setup
Quickly adjust the retract end-position by up to 10 mm on automated lines handling slightly varying product lengths.
Heavy-Duty Forming Press
Leverage the 3927 N push force at 0.5 MPa for heavy stamping or holding operations requiring a robust ISO 15552 footprint.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX325-10 the Right Cylinder?
Choose this 100 mm bore when the 80 mm class is insufficient and the 125 mm class is overkill; for context, the 80 mm bore yields 2513 N of push force at 0.5 MPa, while this 100 mm bore delivers 3927 N at the same pressure. The 10 mm rear adjuster allows you to dial in the exact end-stop without swapping cylinders or adding external stops, making it ideal for product changeovers. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, consider the SAIL or BSAI series.
To replace an existing ISO 15552 cylinder, match the 100 mm bore, 325 mm stroke, 10 mm adjustment range, PT port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2; omitting FB, CA, CB, CR). As this configuration omits the -S magnet, it does not support AirTAC CMSE or DMSE sensors.
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 SAIJ100 Adjustable Cylinder SAIJ100BX325-10 FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At the maximum 1.0 MPa pressure, the push force reaches 801 kgf.
The rear adjuster acts as an external stopper that lets you shorten the effective stroke by up to 10 mm, creating a 315-325 mm usable travel window. It is a travel stop only, not a lock, and cannot hold the load without continuous air pressure.
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