Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-50S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 260mm 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
- Stroke260 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-50S
The AirTAC SAIJ100X260-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 260 mm nominal stroke that can be dialed back by up to 50 mm, providing a usable travel window of 210-260 mm for precise end-position tuning during commissioning. This bore delivers 3927 N of push force at 0.5 MPa and utilizes a G1/2 port with a 25 mm carbon steel rod.
Because this variant includes the -S magnet, it directly supports AirTAC CMSE reed and DMSE electronic solid-state sensors housed within the dual-side sensor grooves on the extruded aluminum barrel. The rear screw acts purely as a travel stop to fine-tune deceleration without needing external stops, but it does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-50S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 260 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 SAIJ100X260-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×260 | 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 SAIJ100X260-50S Is Used
Product Changeover
Dial in the 210-260 mm travel window during format changes without physically replacing the cylinder or adding external mechanical stops.
High-Force Positioning
Leverage 3927 N of push force at 0.5 MPa to move heavy pallets or fixtures, fine-tuning the end-stop to perfect the resting position.
Machine Setup
Use the rear adjuster during initial commissioning to set the exact 50 mm trim range, ensuring precise deceleration before full-speed operation.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-50S the Right Cylinder?
Choose this 100 mm bore when an application requires high thrust that a smaller 80 mm bore (2268 N pull at 0.5 MPa) cannot provide, yet lacks the space or need for a 125 mm cylinder. The 50 mm adjustment range is ideal for product-size changeovers on a line, allowing operators to shift the end-stop dynamically rather than physically swapping a fixed-stroke SAI cylinder. For any load-holding requirements without continuous air pressure, this cylinder is insufficient; you must integrate an external rod lock or pilot-operated check valve, or transition to an AirTAC SAIL or BSAI model.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 260 mm stroke, 50 mm adjustment, PT tapered port thread, and the -S magnet. Given the 260 mm stroke, ensure adequate external guiding to prevent excessive side-loading on the 25 mm rod. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR options.
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 SAIJ100X260-50S FAQ
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster acts as a stop that trims the 260 mm nominal stroke, creating a usable travel window between 210 and 260 mm. It sets the end position but does not lock the load without live air pressure.
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