Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-100S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-100S 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 SAIJ100BX475-100S
The AirTAC SAIJ100X475-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 5497N push force at 0.7MPa and provides a usable travel window of 375-475mm, allowing you to dial back the 475mm nominal stroke by up to 100mm during commissioning. Equipped with a SUS304 stainless steel rod, it handles harsh environments while the integrated magnet supports CMSE reed and DMSE electronic sensors.
This adjustable-stroke design eliminates the need to swap cylinders or add external stops when tuning end positions. The rear adjuster acts purely as a mechanical stop for deceleration and does not hold the load without live air. It uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-100S |
|---|---|
| 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 SAIJ100BX475-100S
| 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 SAIJ100BX475-100S Is Used
Machine Changeover
Quickly fine-tune the 375-475mm travel window during product size transitions without disassembling the actuator or adding external mechanical stops.
End-Stop Calibration
Dial in the exact retraction end-position during initial commissioning using the rear adjuster, ensuring precise positioning of heavy 100mm bore loads.
Stainless Rod Assembly
Leverage the SUS304 stainless steel rod and 5497N push force at 0.7MPa for robust, corrosion-resistant clamping in variable-length assembly stations.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX475-100S the Right Cylinder?
Choose this 100mm bore cylinder when your application requires substantial thrust—stepping down to an 80mm bore yields 3518N at 0.5MPa, while this 100mm bore provides 3927N at the same pressure. The adjustable 375-475mm window is ideal for product-size changeovers on a line. Because the 475mm stroke is long, an external guide is recommended to prevent excessive side-loading on the M20x1.5 rod thread. For load-holding without continuous air pressure, consider the SAIL or BSAI series instead.
To match this ISO 15552 dimensionally interchangeable cylinder, verify the 100mm bore, 475mm stroke, 100mm adjustment range, PT tapered port thread, and the -S magnet option for CMSE/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 SAIJ100BX475-100S FAQ
At an operating pressure of 0.7MPa, this 100mm bore double-acting cylinder provides a push force of 5497N and a pull force of 3681N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 475mm nominal stroke by up to 100mm, creating a usable travel window of 375-475mm. It sets the end position but does not lock the load without live air pressure.
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