
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX80-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 80mm 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 SAIJ100X80-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 50-80 mm usable travel window by trimming the 80 mm nominal stroke up to 30 mm.
The unit includes a SUS420J2 stainless steel rod and PT tapered ports. The rear adjuster acts purely as a mechanical stop for fine-tuning end positions during commissioning. It does not hold the load without live air pressure; for load-holding without supply, consider an external rod lock or the SAIL/BSAI series.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX80-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 80 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. |
| ×80 | 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 end-stop during machine commissioning without disassembling the line or adding external mechanical stops.
Quickly adjust the 50-80 mm travel window to accommodate different product sizes on a shared conveyor or clamping fixture.
Choose this 100 mm bore when 50 mm lacks sufficient force (1374 N at 0.7 MPa) or 125 mm is excessive (8590 N at 0.7 MPa). The 30 mm adjustable window is ideal for product changeovers, allowing you to fine-tune the retract position without swapping cylinders or adding external stops. Unlike fixed-stroke SAI cylinders, this model accommodates variable end-stops directly.
For direct replacement, match the 100 mm bore, 80 mm stroke, PT ports, and SUS420J2 rod material. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Since the stroke is under 300 mm, side-load risks are lower, but an external guide is still recommended for heavy lateral loads.
Quick checklist
The rear adjuster acts as a mechanical stop that lets you shorten the 80 mm nominal stroke by up to 30 mm, providing a 50-80 mm usable travel window. It only sets the end position; it does not lock or hold the load without live air pressure.
The maximum push force is 7068 N at 0.9 MPa.
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