
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X55-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 55mm 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 SAIJ200X55-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 45 to 55 mm, allowing you to dial back the nominal 55 mm stroke by up to 10 mm during commissioning.
Unlike a fixed-stroke SAI cylinder, this model lets you fine-tune the retract end position without swapping components or adding external stops. The adjuster acts purely as a mechanical stop and does not hold the load without live air pressure. It features a carbon steel piston rod, PT tapered port threads, and extruded aluminum barrel with sensor grooves on both sides.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X55-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 55 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. |
| ×55 | 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.
Quickly adapt the end-stop position within a 45-55 mm window during product size changes without installing external mechanical stops.
Secures large industrial workpieces. Note that the rear stopper sets the position, but live air pressure is required to maintain the clamping force.
Select this 200 mm bore cylinder when an application requires immense thrust—up to 15708 N at just 0.5 MPa—and the ability to precisely trim the travel end. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa, which may be a more efficient choice. The 200 mm bore utilizes a G3/4 port and a robust 40 mm rod with an M36x2 thread, providing excellent rigidity. Because the stroke is under 300 mm, side-load concerns are minimal, but external guidance is always recommended for heavy loads.
The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options. For load-holding without continuous air pressure, the rear stopper is insufficient; you should instead look at the SAIL or BSAI series. This cylinder is dimensionally interchangeable with other ISO 15552 cylinders.
Quick checklist
It can achieve a maximum thrust of 3204 kgf at 1.0 MPa.
The rear adjuster allows you to shorten the effective stroke by up to 10 mm. This creates a usable travel window of 45 to 55 mm, enabling fine-tuning of the end position at commissioning without replacing the cylinder.
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