
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX900-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 900mm 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 SAIJ100X900-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 900 mm travel that can be fine-tuned backward by up to 10 mm, yielding a usable end-position window of 890 to 900 mm.
This adjustable model omits the FB, CA, CB, and CR mounting options, utilizing a focused set of ISO 15552 interfaces (Basic, FA, LB, TC, FTC, TCM1, TCM2). The rear adjuster acts purely as a mechanical stop to dial in the retract end position during commissioning; it does not hold the load without live air pressure.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX900-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 900 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. |
| ×900 | 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 exact 890-900 mm retract position during initial commissioning to perfectly align heavy tooling without machining custom spacer blocks.
Quickly adapt the end-stop for different product lengths on a high-thrust handling line, shifting the travel limit by up to 10 mm in seconds.
Because the 900 mm stroke is long, an external guide is recommended to prevent excessive side-loading on the 25 mm rod.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 900 mm stroke, PT tapered port threads, and the appropriate mounting accessory. Note that the rear adjuster is a travel stop, not a locking mechanism; for load-holding without live air, consider the AirTAC SAIL or BSAI series instead.
Quick checklist
At 0.7 MPa, the push force increases to 5497 N.
A rear adjusting screw acts as a mechanical stop, allowing you to shorten the 900 mm nominal stroke by up to 10 mm. This creates an adjustable 890-900 mm travel window for fine-tuning the end position without replacing the cylinder.
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