Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-50
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 105mm 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
- Stroke105 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-50
The AirTAC SAIJ100X105-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 105 mm stroke that can be dialed back by up to 50 mm, yielding a highly flexible 55-105 mm usable travel window. Delivering 3927 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod for enhanced corrosion resistance and features a G1/2 port.
This adjustable model allows you to fine-tune the retract end position directly at commissioning without swapping the cylinder or adding external stopper blocks. The rear adjuster acts strictly as a travel stop to set deceleration alongside the standard air cushions, not as a load-holding lock. For applications requiring position holding without live air pressure, consider the SAIL or BSAI series instead.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-50 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 105 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 SAIJ100AX105-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×105 | 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 SAIJ100AX105-50 Is Used
Machine Changeover
Dial in the 55-105 mm travel window during product size changes to set new retract positions without physically swapping cylinders.
End-Position Tuning
Fine-tune the final retract stop during commissioning to perfect machine timing, using the rear screw instead of external shims.
Assembly Pressing
Leverage the 3927 N push force at 0.5 MPa for pressing operations, adjusting the stroke depth on the fly for different component heights.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX105-50 the Right Cylinder?
Select this 100 mm bore when you need substantial thrust—stepping down to a 63 mm bore drops the push force to 1559 N at 0.5 MPa. Choose the SAIJ adjustable-stroke configuration over a fixed SAI when a machine requires variable end-stops to handle product changeovers or precise setup tuning. To match this exact configuration for an ISO 15552 replacement, specify the 100 mm bore, 105 mm stroke, 50 mm adjustment, PT tapered port threads, SUS420J2 rod material, and no magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ100AX105-50 FAQ
The rear adjuster screw lets you shorten the nominal 105 mm stroke by up to 50 mm, creating a usable travel window of 55-105 mm. The adjuster acts as a mechanical stop to set the retract end position and does not lock the load without live air pressure.
At 0.5 MPa operating pressure, the SAIJ100X105-50 provides 3927 N of push force and 3681 N of pull force. It can deliver up to 7068 N of push force at 0.9 MPa.
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