
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 35mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ80X35-10-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 35mm stroke with a usable travel window of 25-35mm, allowing precise end-position calibration without external stops. The 80mm bore generates 2513N of push force and 2268N of pull force at 0.5MPa, making it robust enough for medium-duty handling.
Equipped with a magnet for position sensing, this unit works seamlessly with AirTAC CMSE reed and DMSE solid-state switches mounted into the dual-side sensor grooves. The extruded aluminum barrel uses a G3/8 port and a 25mm carbon steel rod, while adjustable air cushions at both ends manage impact deceleration. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 35 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 | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
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. |
| ×35 | 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 25-35mm travel distance during machine setup to accommodate varying product sizes without adding external mechanical stops.
Leverage the 2513N push force to secure heavy workpieces, using the rear screw to fine-tune the clamp position to the exact millimeter.
Quickly reconfigure end-stops on packaging lines or assembly fixtures by turning the rear adjuster rather than replacing the entire cylinder.
Choose this 80mm bore when a 50mm bore (982N push at 0.5MPa) is insufficient for your clamping or lifting needs, but a 100mm bore (3927N push) would be excessive. The 10mm adjustment range is ideal for fine-tuning the exact end-of-stroke position during machine commissioning or product changeover, avoiding the need to swap out a fixed-stroke SAI cylinder.
As a dimensionally interchangeable ISO 15552 cylinder, it matches standard mounting footprints using the Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounting set (omitting FB, CA, CB, and CR). To replicate this exact configuration, specify an 80mm bore, 35mm stroke, 10mm adjustment, PT tapered port threads, and the -S magnet option. For any load-holding requirements without continuous air pressure, consider the SAIL or BSAI series instead of relying on the adjuster.
Quick checklist
The nominal stroke is 35mm, but the rear adjuster allows you to shorten the effective travel by up to 10mm, providing a usable stroke window of 25-35mm for fine-tuning end positions.
At 0.5MPa operating pressure, the SAIJ80X35-10-S provides 2513N of push force and 2268N of pull force. At 0.7MPa, the push force increases to 3518N.
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