
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX900-100 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 SAIJ100X900-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 800-900 mm. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU omits the magnet for position detection.
This model uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads. The generous 100 mm adjustment range allows operators to dial in the exact end-of-stroke position during commissioning without swapping hardware. The rear screw mechanism acts purely as a travel stop and does not hold the load without live air pressure.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX900-100 |
|---|---|
| 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 800-900 mm travel window precisely during machine setup to accommodate varying raw material lengths without adding external physical stops.
Quickly reposition the retract end-point by up to 100 mm on a packaging line when switching between different box sizes or product profiles.
The 100 mm bore yields 3927 N at 0.5 MPa, making it a robust middle ground. The 100 mm adjustment range is ideal for product changeovers requiring variable end-stops.
For this 900 mm stroke, the 25 mm rod diameter provides substantial rigidity, but an external guide is strongly recommended to manage side loads over the long unsupported travel. This cylinder is dimensionally interchangeable per ISO 15552. It uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. For load-holding without live pressure, consider the SAIL or BSAI series instead.
Quick checklist
It can deliver a maximum of 801 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective travel from the nominal 900 mm down to 800 mm. This stopper only sets the end position; it does not lock the load without live air pressure.
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