
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX95-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 95mm 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 SAIJ100X95-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 95mm stroke that can be dialed back by up to 20mm, giving you a 75-95mm usable travel window for precise end-position tuning during commissioning.
This unit uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and accepts PT tapered port threads. It includes variable air cushions at both ends to manage deceleration across its 30-800mm/s speed range. The rear adjuster acts purely as a travel stop and does not hold the load without continuous air pressure; for dead-end holding, consider an external rod lock or the SAIL series.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX95-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 95 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. |
| ×95 | 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 75-95mm travel distance during machine commissioning to accommodate different material thicknesses without adding external mechanical stops.
Quickly adjust the retract end-position on a packaging line when switching to a new product size, using the 20mm rear stroke adjuster to fine-tune the stroke on the fly.
The adjustable rear stop is ideal for machine setups where product sizes vary, replacing the fixed end-position of a standard SAI cylinder.
When replacing an ISO 15552 cylinder, match the 100mm bore, 95mm nominal stroke, 20mm adjustment range, PT port threads, and your required mounting set. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options. Because this model lacks a magnet, it is not compatible with CMSE or DMSE sensors without adding the -S option.
Quick checklist
At the maximum 1.0MPa pressure, it can deliver up to 801kgf.
The rear adjuster screw allows you to shorten the effective stroke from its 95mm nominal length by up to 20mm, creating a 75-95mm usable travel window. This stop only sets the end position and does not lock the load without live air pressure.
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