
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX600-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 600mm 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 SAIJ100X600-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits you to trim the effective travel down by up to 100 mm. This yields a usable end-position window of 500 to 600 mm, providing exact retraction tuning during commissioning without needing to swap out the entire actuator or bolt on external stops. It delivers robust thrust, pushing with 5497 N and pulling with 3681 N at 0.7 MPa.
Built with a SUS420J2 stainless steel rod (material code A) and a PT tapered port thread, this 100 mm bore unit utilizes a 25 mm rod and M20x1.5 thread. The extruded aluminum barrel incorporates sensor grooves on both sides, ready to accept CMSE reed or DMSE electronic solid-state switches if a magnet is added later. The rear adjuster functions strictly as a travel stop for deceleration alongside the standard variable air cushions, and it will not hold a load without continuous live air pressure.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX600-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 600 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. |
| ×600 | 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 retraction point within the 500 to 600 mm window during machine commissioning to accommodate different product lengths without external stopper hardware.
Quickly adjust the stroke by up to 100 mm on a packaging line when switching to a new carton size, saving downtime on physical actuator replacements.
If your setup requires less thrust, stepping down to a neighboring 80 mm bore yields 3518 N at the same pressure, whereas moving up to a 125 mm bore provides 8590 N. The adjustable stroke is ideal for product-size changeovers on a line, allowing operators to dial in the exact 500 to 600 mm retraction point without changing the cylinder.
Because the 600 mm stroke is substantial, the 25 mm rod and M20x1.5 thread still require an external guide to manage side loads and prevent rod bending over long unsupported distances. This SAIJ model uses a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. It is dimensionally interchangeable per ISO 15552. Remember that the rear adjuster is a stop, not a lock; for load-holding without live air, select an AirTAC SAIL or BSAI cylinder instead.
Quick checklist
At 0.9 MPa, the push force increases to 7068 N.
The rear adjusting screw acts as a mechanical stopper that allows you to shorten the 600 mm nominal stroke by up to 100 mm, creating a usable travel window of 500 to 600 mm. It only sets the end position and does not lock the load without live air pressure.
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