
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX130-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 130mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
By turning the external stopper screw at the rear, you can fine-tune the effective travel down from the 130 mm nominal stroke, creating a precise 120-130 mm usable window. This built-in adjustability allows you to dial in the exact retract end-position during commissioning or product changeovers without swapping out the entire cylinder or adding external mechanical stops.
This specific SKU features a SUS304 stainless steel piston rod (option B) for superior corrosion resistance and a PT tapered port thread. It includes a magnet for position sensing, working seamlessly with AirTAC CMSE reed and DMSE solid-state switches mounted in the dual-side sensor grooves. The robust 25 mm rod diameter and M20x1.5 rod thread handle high side loads well, while the extruded aluminum barrel maintains a true ISO 15552 mounting interface.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX130-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 130 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 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. |
|---|---|
| 80 | Bore size in mm. |
| ×130 | 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 retract position within the 120-130 mm window when switching a packaging line between different carton sizes.
Fine-tune the exact end-stop during assembly press operations to ensure consistent part seating without external spacers.
Adjust the rear stopper screw on the fly to accommodate varying material thicknesses in a clamping fixture.
The adjustable stroke is ideal for machines that require variable end-stops for different product sizes, whereas a fixed-stroke SAI cylinder is better suited for dedicated, single-purpose tasks.
Because the stroke is 130 mm, an external guide is recommended if the load is heavy or unsupported. Remember that the rear adjuster acts only as a travel stop and the air cushions only decelerate the load; neither will hold the position without live air pressure. For true load-holding without continuous air, consider the SAIL or BSAI series. To replace an ISO 15552 cylinder, match the 80 mm bore, 130 mm stroke, 10 mm adjustment, PT G3/8 port, desired mounting (Basic, FA, LB, TC, FTC, TCM1, or TCM2), and the -S magnet.
Quick checklist
At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke by up to 10 mm, providing a usable travel window of 120 to 130 mm. It is a travel stop, not a lock, so it will not hold the load without live air pressure.
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