
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX950-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 950mm 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 SAIJ100X950-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 100 mm adjustment range, yielding a usable travel window between 850 and 950 mm. This allows precise end-position tuning during commissioning without needing external stops. The extruded aluminum barrel includes sensor grooves on both sides.
The rear screw acts as a travel stop to fine-tune deceleration, not as a load lock. For holding loads without live air, consider SAIL or BSAI models.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX950-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 950 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. |
| ×950 | 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 850-950 mm retraction point for large forming presses during material setup changes.
Quickly adapt the reject stroke on a conveyor line when switching between different large package sizes.
Fine-tune the end position on long-stroke assembly machinery without physically swapping the cylinder.
If your setup needs less force, stepping down to an 80 mm bore provides 2513 N at 0.5 MPa. The 100 mm adjustment range is ideal for product changeovers where the end-stop varies. It uses a reduced mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
With a 950 mm stroke, the 25 mm rod diameter and M20x1.5 rod thread provide robust support, but an external guide is recommended to manage side loads over this long travel. To replace an ISO 15552 unit, match the 100 mm bore, 950 mm stroke, 100 mm adjust, G1/2 port, and PT thread. Sensors are not included as no magnet is specified.
Quick checklist
At 0.9 MPa, the push force increases to 7068 N.
The rear adjuster screw lets you trim the effective travel back by up to 100 mm, creating a usable stroke window of 850-950 mm. It acts as a mechanical stop and does not lock the load.
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