
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX225-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 225mm 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 SAIJ80X225-30-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 25 mm rod and a usable travel window of 195-225 mm, letting you dial back the 225 mm nominal stroke by up to 30 mm during commissioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting.
This specific SKU is configured with a SUS304 stainless steel rod (option B) for superior corrosion resistance and a PT tapered port thread. The -S magnet enables precise position detection with AirTAC CMSE reed and DMSE solid-state sensors. The rear stopper screw acts solely as a travel limit to fine-tune end positions without adding external stops; it is not a lock and will not hold a load without live air pressure.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX225-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 225 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. |
| ×225 | 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 adapt machinery for varying package lengths by dialing the rear adjuster within the 195-225 mm window, eliminating the need to physically swap cylinders during line transitions.
Fine-tune the exact retract stop during machine commissioning to perfect a pressing operation, using the 30 mm adjustment range to compensate for mechanical tolerance without external shims.
Choose this 80 mm bore when an application requires substantial thrust—stepping up from a 63 mm bore increases your 0.5 MPa push force from 1559 N to 2513 N. If you need less force, a 50 mm bore offers 982 N at the same pressure. The adjustable stroke is ideal for machine setups requiring variable end-stops or product-size changeovers, avoiding the need to swap out a fixed-stroke SAI cylinder.
For ISO 15552 replacement matching, specify: 80 mm bore, 225 mm stroke, 30 mm adjustment, PT ports, SUS304 (B) rod material, and a magnet (-S). The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. Because the 225 mm stroke is substantial, ensure adequate external guiding to prevent excessive side-load on the 25 mm rod, as long unsupported strokes can cause binding. If your process requires true load-holding without continuous air pressure, consider the SAIL or BSAI series instead of relying on the rear stopper.
Quick checklist
At 0.9 MPa, the push force increases to 4523 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 225 mm down to a minimum of 195 mm. It sets the travel end for fine-tuning but does not lock or hold the load without live air pressure.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.