
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX95-20S 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-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. This built-in adjustability streamlines commissioning and product changeovers directly on the machine.
This SKU includes a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and ships with a magnetic piston (-S) for position sensing. The sensor groove on both sides of the extruded aluminum barrel accepts CMSE reed or DMSE electronic solid-state switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX95-20S |
|---|---|
| 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 retract distance within the 75-95mm window during machine commissioning to achieve perfect alignment without swapping cylinders.
Quickly adjust the end-stop by up to 20mm when running a new product size on the line, minimizing downtime and avoiding external stopper hardware.
The adjustable stroke is ideal for applications requiring variable end-stops or fine-tuning during setup, offering flexibility a fixed-stroke SAI cylinder cannot match. To replace this cylinder, match the 100mm bore, 95mm stroke, 20mm adjustment, PT tapered port, and -S magnet.
The 25mm rod and M20x1.5 thread handle significant side loads, but even with robust dimensions, any stroke approaching or exceeding 300mm requires an external guide to prevent binding. Note that the rear adjuster acts only as a travel stop; it does not hold the load without live air. For true load-holding without pneumatic pressure, consider an AirTAC SAIL or BSAI cylinder.
Quick checklist
At 0.9MPa, the push force increases to 7068N.
The rear adjuster screw allows you to shorten the nominal 95mm stroke by up to 20mm, creating a usable travel window of 75-95mm. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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