Airtac SAIJ100 Adjustable Cylinder SAIJ100BX210-100S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX210-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 210mm 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
- Stroke210 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX210-100S
The AirTAC SAIJ100X210-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a substantial 3927N push force at 0.5 MPa, backed by a 25mm carbon steel rod and M20x1.5 thread for high rigidity. The built-in rear stopper allows you to fine-tune the effective travel, creating a usable window of 110 to 210mm for precise end-position calibration.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and includes a magnet (-S) for use with CMSE reed and DMSE electronic sensors. The extruded aluminum barrel integrates sensor grooves on both sides. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR footprints entirely.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX210-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX210-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 210 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 SAIJ100BX210-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×210 | 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 SAIJ100BX210-100S Is Used
Machine Changeover
Rapidly adjust the end-stop from 210mm down to 110mm when switching production lines to accommodate different product sizes without replacing hardware.
End-Position Tuning
Fine-tune the exact retraction point during commissioning to perfect a pressing or forming operation, avoiding the need for external mechanical stops.
Heavy Payload Actuation
Leverage the 3927N push force at 0.5 MPa to move heavy jigs or materials while retaining the flexibility to shorten the stroke for varied process steps.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX210-100S the Right Cylinder?
Select this 100mm bore when a 50mm bore (982N push at 0.5 MPa) lacks the power for heavier payloads, but a 125mm unit is unnecessary. The 100mm adjustment range is the primary draw here, allowing you to dial back the 210mm stroke by up to 100mm during machine setup or product changeover without swapping the cylinder or adding external stops. Because the nominal stroke is 210mm, an external guide is recommended to prevent side-load damage to the rod.
Keep in mind the rear adjuster acts purely as a travel stop, not a lock, and cannot hold a load without live air pressure. For load-holding without continuous pressure, consider an external pilot-operated check valve or explore AirTAC SAIL or BSAI cylinder variants. To match this ISO 15552 interchangeable profile, specify a 100mm bore, 210mm stroke, 100mm adjustment, PT tapered ports, and the -S magnet.
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 SAIJ100BX210-100S FAQ
At 0.5 MPa, it provides 3927N of push force and 3681N of pull force. If you increase the operating pressure to 0.7 MPa, the push force rises to 5497N.
The rear adjusting screw acts as a mechanical stopper that lets you shorten the 210mm nominal stroke by up to 100mm, giving an effective travel range of 110-210mm. It only sets the end position and does not lock the load without live air.
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