
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX260-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 260mm 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.
The AirTAC SAIJ80X260-10-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet supports AirTAC CMSE reed and DMSE electronic solid-state switches for exact position feedback.
This model is built with an SUS304 stainless steel rod (code B) for superior corrosion resistance and features PT tapered port threads (G3/8). The rear adjuster acts strictly as a travel stop to set deceleration and end positions, meaning it cannot hold a load without continuous live air pressure. For applications requiring true load-holding, consider the SAIL or BSAI series instead.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX260-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 260 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. |
| ×260 | 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 250-260mm travel window during product size changes to perfectly set the retract end position without swapping out the entire cylinder.
Fine-tune the final 10mm of retraction at commissioning to perfect tool alignment, using the rear stopper instead of adding external shims.
The 10mm adjustable window is perfect for machine setups requiring minor end-position calibration during commissioning or product changeovers, offering flexibility a fixed-stroke SAI cylinder cannot provide. To match this ISO 15552 interchangeable cylinder exactly, specify the 80mm bore, 260mm stroke, 10mm adjustment, PT port threads, SUS304 rod, and the -S magnet option.
Because the 260mm stroke creates a moderately long unsupported rod extension, ensure you use an external guide to prevent excessive side-loading and premature seal wear. Mounting options for this profile cylinder include Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets.
Quick checklist
At 0.7 MPa, the push force increases to 3518N.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke by up to 10mm, creating a 250-260mm usable travel window. It only sets the end position and deceleration; it does not lock or hold the load without live air pressure.
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