
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X300-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 300mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ200X300-10-S is a double-acting ISO 15552 profile cylinder featuring a double rod and a rear stroke adjuster. It provides a nominal 300 mm stroke that can be dialed back by up to 10 mm, yielding a precise 290-300 mm usable travel window for fine end-position tuning during commissioning.
This variant includes a standard magnet for position sensing and uses a PT tapered port. The extruded aluminum barrel incorporates sensor grooves on both sides, allowing direct mounting of CMSE reed or DMSE electronic solid-state switches. The rear adjuster acts purely as a mechanical stop to set the travel end and does not lock or hold the load without live air pressure; for fail-safe load holding, consider SAIL or BSAI models.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X300-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 300 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | — |
| Max (@1.0 MPa) | 3075 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. |
|---|---|
| 200 | Bore size in mm. |
| ×300 | 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 290-300 mm travel window during heavy press setup to accommodate material thickness variations without adding external stops.
Quickly adjust the retract end-position on automated lines when switching between different product sizes, saving changeover time.
The adjustable stroke is highly beneficial on machine changeover lines where you need variable end-stops for different product sizes without physically swapping the cylinder or bolting on external stops. Because the nominal stroke is 300 mm, the 40 mm rod and M36x2 thread provide excellent rigidity, but an external guide is recommended to prevent excessive side-loading on the long unsupported travel. When matching an ISO 15552 replacement, verify the 200 mm bore, 300 mm stroke, 10 mm adjustment, PT port, and the -S magnet requirement.
Quick checklist
It can deliver a maximum of 3204 kgf at 1.0 MPa.
The rear adjusting screw acts as a mechanical stop, allowing you to shorten the 300 mm nominal stroke by up to 10 mm, creating a 290-300 mm usable travel window. It only sets the end position and does not lock the load without live air.
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