
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX800-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 800mm 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 SAIJ100X800-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. The extruded aluminum barrel includes sensor grooves on both sides for easy position detection.
This model features a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and pairs with PT tapered port threads (G1/2). The rear adjuster acts strictly as a mechanical stop to fine-tune the retract end position without adding bulky external stops. It supports a speed range of 30-800 mm/s and uses variable air cushions at both ends to decelerate the load smoothly.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX800-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 800 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. |
| ×800 | 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 790-800mm retract position during machine commissioning or product size changes without replacing the entire cylinder or adding external stopper blocks.
Utilizes variable air cushions at both ends to decelerate heavy loads over the 800mm travel, while the stainless SUS420J2 rod handles demanding industrial environments.
The adjustable 10mm window is ideal for product changeovers where exact end-position tuning is required without swapping out a fixed-stroke SAI cylinder.
Because this cylinder features an 800mm stroke, an external guide is strongly recommended to support the rod and prevent excessive side-loading on the long unsupported travel. Remember that the rear adjuster and air cushions only set the travel end and decelerate the load; they do not hold the load without live air. For fail-safe load holding, consider an AirTAC SAIL or BSAI cylinder. When replacing an ISO 15552 cylinder, match the 100mm bore, 800mm stroke, 10mm adjustment, G1/2 PT ports, and your required mounting from the SAIJ set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Quick checklist
The maximum push force is 801 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 10mm, creating a 790-800mm travel window. It acts as a mechanical stop to fine-tune the end position at commissioning, but it is not a lock and does not hold the load without live air pressure.
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