
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX950-30S 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 SAIJ100X950-30-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. This specific configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a magnetic piston for position sensing.
The rear adjuster functions as a mechanical stop to dial in the retract end position precisely during commissioning, but it does not lock the load without continuous air pressure. For load-holding requirements without live air, consider the SAIL or BSAI variants. This model uses a G1/2 port, operates at speeds of 30-800mm/s, and is dimensionally interchangeable with ISO 15552 cylinders.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX950-30S |
|---|---|
| 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 920-950mm retract end-stop during format conversions on a packaging line without physically replacing the cylinder or adding external shims.
Leverage the SUS304 stainless steel rod on automated machinery where moisture or mild chemicals are present, ensuring reliable long-stroke actuation.
The adjustable rear stopper allows you to trim the travel by up to 30mm without adding external stops or swapping the cylinder during product changeovers.
Because this model features a 950mm stroke, the 25mm piston rod and M20x1.5 rod thread will experience amplified side-loading moments if the load is unsupported; an external guide mechanism is strongly recommended to prevent premature seal wear. This SKU includes a magnetic piston (-S) compatible with AirTAC CMSE reed and DMSE electronic sensors, uses PT threaded ports, and supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
At the maximum operating pressure of 0.9 MPa, the push force increases to 7068N.
The rear adjuster acts as a mechanical stop that allows you to shorten the 950mm nominal stroke by up to 30mm, providing a usable travel window of 920-950mm. It only sets the travel end and does not hold the load without live air pressure.
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