Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-30
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 475mm 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
- Stroke475 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-30
The AirTAC SAIJ100X475-30 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 3927N of push force at 0.5MPa and features a 475mm nominal stroke that can be dialed back by up to 30mm, yielding a precise 445-475mm usable travel window for commissioning flexibility. A PT tapered port thread and a SUS304 stainless steel rod are configured for this specific unit.
Because the barrel is an extruded aluminum profile rather than a tie-rod design, it integrates sensor grooves on both sides. If position sensing is later required, AirTAC CMSE reed and DMSE electronic switches can be fitted. The rear adjuster acts purely as a travel stop for end-position tuning and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 475 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 SAIJ100BX475-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×475 | 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 SAIJ100BX475-30 Is Used
Product Changeover
Dial in the 445-475mm travel window during format size changes on a packaging line without swapping out the entire actuator.
End-Stop Calibration
Fine-tune the retract position during machine commissioning to achieve exact tooling alignment using the rear adjustment screw.
Heavy Material Handling
Leverage the 3927N push force at 0.5MPa to move heavy workpieces while relying on the adjuster to prevent overtravel.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-30 the Right Cylinder?
Choose this 100mm bore when the 80mm class is insufficient, as it jumps from 2513N to 3927N push force at 0.5MPa. An adjustable stroke is selected over a fixed SAI cylinder when you need to fine-tune the retract end-position during machine setup or product changeover without adding external stops. For load-holding without continuous air pressure, utilize an external pilot-operated check valve or explore the SAIL or BSAI locking cylinder series. To replace an ISO 15552 cylinder, match the 100mm bore, 475mm stroke, 30mm adjustment, G1/2 port, and mounting style.
With a 475mm stroke, the 25mm rod and M20x1.5 thread provide robustness, but the extended travel increases the risk of side-loading. Always support the load with an external guide to prevent premature seal wear.
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 SAIJ100BX475-30 FAQ
At 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7MPa, the push force increases to 5497N.
The rear adjuster screw allows you to shorten the 475mm nominal stroke by up to 30mm, creating a 445-475mm usable travel window. This stopper only sets the end position and does not lock the load without live air pressure.
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