
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 280mm stroke, G3/4 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 SAIJ200X280-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 270-280 mm usable travel window, enabling precise end-position tuning at commissioning without external stops. Belonging to the 200 mm bore class, it generates a substantial 15708 N push force at 0.5 MPa and 21991 N at 0.7 MPa.
This model features a SUS420J2 stainless steel rod for enhanced corrosion resistance and includes a magnet (-S) for CMSE and DMSE sensors. The extruded aluminum barrel integrates sensor grooves on both sides. The rear adjuster acts solely as a travel stop and does not hold the load without live air pressure; for load-holding, consider SAIL or BSAI variants.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 280 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 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. |
|---|---|
| 200 | Bore size in mm. |
| ×280 | 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 270-280 mm travel distance during machine commissioning to perfect end-of-stroke positioning without swapping hardware.
Quickly adapt the cylinder's effective stroke on automated lines when handling different product sizes, minimizing downtime between batches.
Leverage the 15708 N push force at 0.5 MPa for heavy-duty pressing and joining tasks, fine-tuning the final contact position via the rear screw.
Selecting this 200 mm bore model is appropriate when your application requires up to 3204 kgf (at 1.0 MPa) of maximum force. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa, which may offer a more compact and efficient solution.
An adjustable stroke is chosen over a fixed SAI cylinder when you need variable end-stops for product changeovers or fine-tuning during machine setup. When replacing an ISO 15552 cylinder, match the 200 mm bore, 280 mm stroke, 10 mm adjustment, PT tapered ports, SUS420J2 rod, and -S magnet. For this 280 mm stroke, ensure external guides are used to manage side loads on the 40 mm rod and M36x2 thread.
Quick checklist
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster screw allows you to shorten the nominal 280 mm stroke by up to 10 mm, providing a usable travel window of 270-280 mm. This mechanism functions as a travel stop for end-position tuning and does not lock or hold the load without continuous air pressure.
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