
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X50-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 50mm 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 SAIJ200X50-10 is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing with 15708N and pulling with 15080N at 0.5 MPa. By turning the external adjustment screw at the retract end, you can fine-tune the effective travel down from the 50mm nominal stroke, creating a precise 40-50mm usable window without swapping out the barrel.
This 200mm bore profile cylinder features a robust 40mm carbon steel rod and a G3/4 PT tapered port for high flow. It supports pneumatic speeds of 30-500 mm/s and includes adjustable air cushions at both ends to decelerate heavy loads smoothly. The extruded aluminum barrel provides sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X50-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 50 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. |
| ×50 | 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 40-50mm travel window during heavy press commissioning to accommodate material thickness variations without changing the cylinder.
Rapidly adjust the retract end-stop on automated lines when switching to a new product size, avoiding the downtime of physically swapping cylinders.
Fine-tune the end position of massive pneumatic clamps and industrial fixtures where a fixed 50mm stroke might slightly overshoot the target.
Choose this 200mm bore adjustable-stroke cylinder when your application requires extreme force combined with exact end-position tuning at commissioning or during product changeovers. The rear adjuster acts purely as a travel stop to set the end position; it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series, or use an external pilot-operated check valve. To match this ISO 15552 cylinder, specify the 200mm bore, 50mm stroke, 10mm adjustment, G3/4 PT port, and your required mounting from the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (FB, CA, CB, and CR mounts are omitted from this adjustable family).
Quick checklist
The rear adjuster screw acts as an external stopper that trims the retract stroke. For this SAIJ200X50-10 model, you can shorten the effective travel from 50mm down to 40mm, giving a 40-50mm usable window for precise end-position tuning.
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