
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX220-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 220mm 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 SAIJ100X220-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 145-220 mm usable travel window from its 220 mm nominal stroke.
This variant uses a SUS420J2 stainless steel rod for superior corrosion resistance and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE or DMSE switches if a magnet is added later. The rear stopper sets the travel end-point, but it is not a lock—the cylinder requires live air to hold a load.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX220-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 220 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. |
| ×220 | 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 precise 145 to 220 mm end-position during machine commissioning to accommodate different material thicknesses without adding external stopper blocks.
Quickly adjust the retract stroke on packaging lines handling multiple carton sizes, using the 75 mm rear screw to adapt the stroke window on the fly.
The 75 mm adjustment range is ideal for production lines running varying product sizes, letting you dial in the exact end-stop on the fly instead of machining external stopper blocks. For load-holding without continuous air pressure, integrate an external rod lock or select a SAIL or BSAI cylinder.
To match this ISO 15552 footprint exactly, confirm a 100 mm bore, 220 mm stroke, 75 mm adjustment, PT G1/2 port, and standard mounting options including Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 220 mm stroke exceeds 300 mm, no external guide is strictly mandated, but ensuring the M20x1.5 rod thread is properly aligned will minimize side-loading wear.
Quick checklist
The rear adjuster screw acts as a mechanical stop that trims the effective travel back by up to 75 mm, creating a 145 to 220 mm usable stroke window. It only sets the end position and does not lock the load without live air pressure.
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