Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-20
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-20 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 SAIJ100X260-20
The AirTAC SAIJ100X260-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 240-260 mm usable travel window, allowing you to dial back the nominal 260 mm stroke by up to 20 mm during commissioning. Delivering 7068 N of push force at 0.9 MPa, it handles heavy-duty positioning with precision.
This bore uses a G1/2 port and a robust M20x1.5 rod thread to manage high side loads effectively. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-20 |
|---|---|
| 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 SAIJ100X260-20
| 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 SAIJ100X260-20 Is Used
Machine Setup & Changeover
Fine-tune the 240-260 mm travel window during product line changeovers to set exact end positions without physically swapping the cylinder.
Variable End Stops
Dial in the exact retraction point for heavy pallet positioning systems, using the 20 mm rear adjuster to accommodate varying pallet thicknesses.
Heavy-Duty Forming
Leverage the 7068 N push force at 0.9 MPa for robust pressing operations, adjusting the stroke end-point to compensate for tooling wear.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-20 the Right Cylinder?
Choose this 100 mm bore when your application requires substantial thrust—7068 N at 0.9 MPa—exceeding the 4523 N push capacity of the smaller 80 mm version. The adjustable rear stopper is ideal for variable end-stop requirements or product changeovers, eliminating the need to swap cylinders or add external stops. For strokes of 260 mm or longer, an external guide is recommended to prevent rod bending under heavy loads.
To match this ISO 15552 interchangeable cylinder, specify the 100 mm bore, 260 mm stroke, 20 mm adjustment, PT tapered port thread, and carbon steel rod. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air. For true load-holding without pressure, consider the SAIL or BSAI series.
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 SAIJ100X260-20 FAQ
At 0.9 MPa operating pressure, this 100 mm bore cylinder provides 7068 N of push force and 3681 N of pull force. It can deliver up to 801 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 260 mm down to 240 mm. This allows precise end-position tuning at commissioning without changing the cylinder itself.
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