
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX220-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 220mm 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.
The AirTAC SAIJ100X220-20 is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 220 mm stroke that can be dialed back by up to 20 mm, creating a precise 200-220 mm usable travel window for fine-tuning end positions during commissioning.
This model features an SUS420J2 stainless steel rod for enhanced durability against moisture and PT tapered port threads for a reliable pneumatic seal. The rear screw acts purely as a mechanical stop to set the retraction point without needing external stops, though it does not lock the load without live air pressure.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX220-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 220 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×220 | 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.
Dial in the 200-220 mm travel window during format changes on packaging lines, avoiding the need to physically swap cylinders for different product sizes.
Fine-tune the retraction end position at commissioning without adding bulky external stopper blocks to your machinery framework.
If your setup demands less force, stepping down to an 80 mm bore yields 3518 N at 0.7 MPa. The adjustable nature of the SAIJ is ideal for product changeovers on a line, whereas a fixed-stroke SAI cylinder is sufficient for static end stops. To match this ISO 15552 footprint, specify the 100 mm bore, 220 mm stroke, PT ports, and your required mounting style. Note that SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options. Because the 220 mm stroke is relatively long, ensure external guiding is used to prevent excessive side-loading on the rod.
Quick checklist
It features a rear adjusting screw that mechanically limits the retraction stroke. For this model, you can trim the nominal 220 mm stroke back by up to 20 mm, providing a usable travel window of 200 to 220 mm.
At 0.9 MPa, the push force increases to 7068 N.
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