
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX30-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 30mm 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 SAIJ80X30-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end position at commissioning. With a nominal 30 mm stroke and a 10 mm adjustment range, it provides a usable travel window of 20-30 mm without needing external stops.
This variant is equipped with a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and uses PT tapered port threading. The extruded aluminum barrel includes sensor grooves on both sides, ready for AirTAC CMSE reed and DMSE solid-state switches if you add a magnet later. It supports the standard SAIJ mounting set, including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 30 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. |
| ×30 | 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.
Fine-tune the 20-30 mm travel window during product line changeovers to perfectly position stops without machining new brackets.
Dial in the exact retraction point during commissioning using the rear screw, eliminating the need to bolt on external physical stops.
The adjustable stroke is perfect for machine setups requiring variable end-stops or product-size changeovers, avoiding the need to swap out a fixed-stroke SAI cylinder. Because the rear adjuster acts only as a travel stop and the air cushions handle deceleration, this cylinder will not hold a load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
When replacing an ISO 15552 cylinder, verify the 80 mm bore, 30 mm nominal stroke, 10 mm adjustment range, G3/8 port, and your required mounting style. The 25 mm rod diameter and M20x1.5 rod thread provide excellent rigidity, though any long unsupported stroke still requires an external guide to prevent side-load damage.
Quick checklist
At 0.5 MPa, the push force is 2513 N.
The rear adjuster screw lets you shorten the effective stroke by up to 10 mm. For this 30 mm nominal stroke model, it creates an adjustable travel window of 20-30 mm so you can set the exact end position during setup.
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