
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX850-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 850mm 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 SAIJ100X850-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to dial back the nominal 850 mm travel to a precise 840-850 mm window during commissioning.
Because the adjuster acts purely as a mechanical stop at the retract end, it does not hold the load without live air pressure—use an external rod lock or SAIL cylinder if dead-stop holding is required. The extruded aluminum barrel features sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches, and the SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX850-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 850 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. |
| ×850 | 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 retract position over the 840-850 mm window for heavy push operations without reconfiguring the entire machine layout.
Quickly adapt the end-stop for different product lengths on a packaging line using the rear adjusting screw instead of installing fixed spacers.
The 10 mm rear adjustment range is ideal for fine-tuning a long-stroke end position without adding external stop collars or swapping the cylinder.
For a stroke of 850 mm, the M20x1.5 rod thread and 25 mm rod diameter provide rigidity, but an external guide is recommended to prevent excessive side loading on the long unsupported travel. When replacing an ISO 15552 cylinder, match the 100 mm bore, 850 mm stroke, PT port threads, and desired mounting bracket.
Quick checklist
It operates at speeds between 30 and 800 mm/s, utilizing G1/2 ports and 36 mm cushions at both ends.
The rear adjuster acts as a mechanical stop that lets you trim the effective travel from 850 mm down to 840 mm. It decelerates the end-of-stroke position but does not lock or hold the load without continuous air pressure.
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