Airtac SAIJ100 Adjustable Cylinder SAIJ100AX280-100S
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX280-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 280mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke280 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX280-100S
The AirTAC SAIJ100X280-100-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 100mm bore and a 280mm nominal stroke, yielding a usable travel window of 180-280mm. This wide adjustment range allows exact end-position tuning at commissioning without swapping the cylinder or adding external stops.
This variant includes a SUS420J2 stainless steel rod (code A) for improved corrosion resistance and ships with a magnetic piston (-S) for electronic DMSE or reed CMSE position sensing. The extruded aluminum barrel incorporates sensor grooves on both sides. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. The rear adjuster acts purely as a travel stop and does not hold the load without live air.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX280-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX280-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 280 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX280-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×280 | 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 SAIJ100AX280-100S Is Used
Variable End-Stop Positioning
Dial in the exact retraction point between 180mm and 280mm during machine setup to accommodate different material lengths without mechanical rework.
Product Size Changeover
Quickly adjust the travel window on packaging or handling lines when switching between different product dimensions, minimizing downtime.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX280-100S the Right Cylinder?
Select this 100mm bore cylinder when an application requires substantial thrust combined with variable end-stops, such as accommodating product-size changes on a line. If 5497N at 0.7MPa is excessive, stepping down to an 80mm bore yields 3518N; if more force is needed, a 125mm bore provides 8590N. For load-holding without continuous air pressure, a plain SAIJ is insufficient as the rear adjuster is a stop, not a lock—consider an external rod lock, SAIL, or BSAI cylinder instead.
To match this exact ISO 15552 replacement, specify: 100mm bore, 280mm stroke, 100mm adjustment, PT tapered port threads, SUS420J2 rod material, and the -S magnet. Because the 280mm stroke is relatively long, ensure adequate external guiding to prevent excessive side-loading on the 25mm rod, despite the robust M20x1.5 rod thread handling standard operational stresses well.
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 SAIJ100AX280-100S FAQ
At its maximum 1.0MPa pressure, it can deliver up to 801kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 100mm. This creates a usable travel window of 180-280mm from the 280mm nominal stroke, enabling fine-tuning of the end position without changing the cylinder.
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