Airtac SAIJ100 Adjustable Cylinder SAIJ100X475-40
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X475-40 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 SAIJ100X475-40
The AirTAC SAIJ100X475-40 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 435 to 475 mm usable travel window, allowing you to trim the effective stroke by up to 40 mm during commissioning. Delivering a robust 7068 N of push force at 0.9 MPa, it handles heavy loads with ease. The extruded aluminum barrel features sensor grooves on both sides for straightforward switch placement.
This model utilizes a carbon steel piston rod with an M20x1.5 thread, paired with a G1/2 port for optimal air flow. It includes adjustable air cushions at both ends to manage kinetic energy. The rear stopper acts purely as a travel limit and does not hold the load without live air pressure; for dead-load holding, consider the SAIL or BSAI series. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X475-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X475-40 |
|---|---|
| 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 SAIJ100X475-40
| 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 SAIJ100X475-40 Is Used
Product Changeovers
Dial in the 435-475 mm travel window during format changes on packaging lines without adding external physical stops.
End-Position Tuning
Fine-tune the retract distance precisely during machine commissioning to perfect the pickup or pressing point.
Heavy Pressing
Leverage the 7068 N push force at 0.9 MPa for heavy-duty assembly operations requiring precise depth control.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X475-40 the Right Cylinder?
Choose this 100 mm bore when stepping up from an 80 mm cylinder (which provides 4523 N push at 0.9 MPa) is necessary to meet higher force requirements. The adjustable stroke is perfect for applications requiring exact end-position tuning or frequent product changeovers, eliminating the need to swap out a fixed-stroke SAI cylinder. Because the stroke is 475 mm, an external guide is recommended to prevent excessive side-loading on the M20x1.5 rod. To match this ISO 15552 replacement exactly, confirm the 475 mm stroke, 40 mm adjustment, PT port thread, and mounting style.
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 SAIJ100X475-40 FAQ
At 0.9 MPa operating pressure, this 100 mm bore cylinder provides 7068 N of push force and 6625 N of pull force. At 0.5 MPa, the push force is 3927 N.
The rear adjuster screw allows you to shorten the 475 mm nominal stroke by up to 40 mm, creating a 435 to 475 mm travel window. It functions as a mechanical stop and does not lock the load without continuous air pressure.
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Standard models usually ship in 3-4 days.
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