Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 55mm 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
- Stroke55 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10
The AirTAC SAIJ100X55-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 3927N of push force at 0.5MPa. It features a 25mm carbon steel piston rod and a PT tapered G1/2 port. By integrating an external stopper screw, this actuator allows you to fine-tune the effective travel down from the 55mm nominal stroke, creating a precise 45-55mm usable window for exact end-position calibration.
This on-demand adjustability eliminates the need to swap out the entire cylinder or bolt on external stops during commissioning or product changeovers. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though a magnet is not pre-installed on this base configuration. Furthermore, the SAIJ mounting set deliberately omits FB, CA, CB, and CR brackets, utilizing a focused subset of ISO 15552 mounts including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 55 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 SAIJ100X55-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×55 | 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 SAIJ100X55-10 Is Used
End-Position Tuning
Dial in the exact clamping depth on assembly lines by trimming the stroke within the 45-55mm window, ensuring delicate components are not crushed during commissioning.
Product Changeover
Quickly adapt the actuator's end-stop for different product heights on a conveyor without physically replacing the cylinder or re-engineering the machine frame.
Short-Stroke Pressing
Leverage the 3927N push force at 0.5MPa for high-force pressing or riveting tasks where the final 10mm of travel must be precisely set to avoid over-travel.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10 the Right Cylinder?
Choose this 100mm bore when your application requires substantial thrust—such as the 3927N push force at 0.5MPa—within a compact 45-55mm travel window. If you need less force, stepping down to an 80mm bore yields 2513N of push force at 0.5MPa, whereas upgrading to a 125mm bore provides 6136N. The adjustable rear stopper is ideal for dialing in final positioning at machine setup without the hassle of adding physical shims. Remember that the rear adjuster functions strictly as a travel stop and does not hold the load without live air; for true pneumatic locking, consider the SAIL or BSAI series instead. When replacing an ISO 15552 cylinder, match the 100mm bore, 55mm stroke, 10mm adjustment, PT port, and your required mounting bracket.
Because the 55mm stroke is relatively short, side-loading risks are minimal compared to longer strokes, but you should still ensure proper alignment to protect the 25mm rod thread. The cylinder operates efficiently at speeds between 30-800mm/s.
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 SAIJ100X55-10 FAQ
At 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. If you increase the pressure to 0.7MPa, the push force rises to 5497N.
The rear of the cylinder features an external stopper screw that allows you to shorten the effective stroke by up to 10mm. This creates a usable travel window of 45-55mm from the 55mm nominal stroke, enabling fine-tuning of the end position without changing the cylinder.
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