
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX230-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 230mm 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 SAIJ80X230-20-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. With a nominal 230 mm stroke, the external stopper lets you dial back the effective travel by up to 20 mm, creating a 210-230 mm usable positioning window. This on-the-fly tuning is ideal for product changeovers without swapping the cylinder.
This SKU is configured with a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and PT tapered ports. The extruded aluminum barrel includes sensor grooves on both sides, directly supporting AirTAC CMSE reed and DMSE electronic solid-state switches. The 25 mm rod and M20x1.5 thread handle high side loads, while the reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) omits FB and CA brackets.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 230 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. |
| ×230 | 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 210-230 mm travel window during product changeovers to establish new end positions without physically swapping the cylinder.
Dial in the exact retract distance for multi-format production lines, using the rear stopper to adapt to different part lengths on the fly.
The adjustable 210-230 mm window is selected over a fixed SAI stroke when you need variable end-stops for machine setup or product size changes. Because the stroke is 230 mm, ensure external guiding to prevent rod sag under side loads.
The rear adjuster acts purely as a travel stop to decelerate the end position; it does not hold the load without live air. For true load-holding without continuous pressure, use an external rod lock or pilot-operated check valve, or select the SAIL or BSAI cylinder series. To replace an ISO 15552 cylinder, match the 80 mm bore, 230 mm stroke, 20 mm adjustment, PT ports, and the -S magnet.
Quick checklist
The rear adjuster acts as an external stopper that trims the effective travel. For this model, the nominal 230 mm stroke can be dialed back by up to 20 mm, providing a usable 210-230 mm positioning window. The adjuster is a stop, not a lock.
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