
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX280-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 280mm 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 SAIJ100X280-75 is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster. It provides a usable travel window of 205 to 280 mm by dialing the external stopper back up to 75 mm. The SUS420J2 stainless steel rod resists corrosion in humid washdown environments.
This model features a G1/2 port and adjustable air cushions at both ends to decelerate heavy loads. The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX280-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 280 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. |
| ×280 | 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.
Quickly dial in the retract stop from 205 to 280 mm during product size transitions on a packaging line without changing the cylinder.
Fine-tune the final end position during machine commissioning to ensure perfect alignment of heavy moving sub-assemblies.
Set precise retract distances for automated material handling equipment that requires flexible stroke limits per cycle.
If you need less force, a 80 mm bore offers 2513 N. Choose the SAIJ adjustable type over a fixed SAI when you need to fine-tune the retract end position during commissioning or product changeover without swapping cylinders.
The rear adjuster acts as a travel stop, not a lock, and cannot hold a load without live air pressure. For load-holding without air, use an external rod lock or explore SAIL and BSAI cylinders. This SAIJ100X280-75 configuration features a PT tapered port, SUS420J2 stainless steel rod, and no magnet. Since the 280 mm stroke is substantial, ensure proper external guiding to prevent rod side-load damage.
Quick checklist
The rear adjuster screw lets you shorten the nominal 280 mm stroke by up to 75 mm, creating a usable travel window of 205 to 280 mm. This allows you to set the exact retract end position without adding external stops.
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