
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X900-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 900mm 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 SAIJ200X900-10-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty operations, featuring a robust 200 mm bore. An integrated rear adjusting screw functions as an external stopper, allowing you to fine-tune the effective stroke within a precise 890 to 900 mm window during commissioning without swapping out the entire unit. This adjustable capability is ideal for accommodating product changeovers and dialing in exact end positions on the fly. The extruded aluminum barrel features sensor grooves on both sides, and because this is a -S variant equipped with a magnet, it works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state sensors for precise position feedback. The 40 mm carbon steel piston rod and M36x2 rod thread provide substantial rigidity, though at 900 mm of travel, an external guide is strongly recommended to manage side loading and prevent premature wear.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 900 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. |
| ×900 | 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 890-900 mm end position on a large press during setup, using the rear stopper to compensate for mechanical tolerance variations without replacing the cylinder.
Adjust the retract stop by up to 10 mm on a conveyor sorting line to handle different package sizes quickly during production transitions.
Selecting this 200 mm bore model is appropriate when your application demands exceptional force that smaller bores cannot provide; for context, stepping down to a 160 mm bore drops the 0.7 MPa push force to 14074 N. The 10 mm rear adjuster is chosen when you need a narrow 890-900 mm travel window for final end-position tuning rather than a large adjustment range, acting as a hard mechanical stop rather than a fixed stroke. Because the stroke is 900 mm, supporting the load with an external guide is critical to prevent rod deflection. For load-holding without continuous live air pressure, note that neither the rear adjuster nor the standard air cushions act as a lock; you would need to specify a SAIL (air-released lock) or BSAI (clamp-lock) cylinder instead. As a dimensionally interchangeable ISO 15552 profile cylinder, it replaces matching ISO 15552 units by matching the 200 mm bore, 900 mm stroke, 10 mm adjustment, PT tapered port thread, and the -S magnet requirement. The available mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, intentionally omitting FB, CA, CB, and CR configurations.
Quick checklist
At 0.7 MPa, the push force is 21991 N and the pull force is 15080 N. At 0.9 MPa, the push force increases to 28274 N, with a maximum operating pressure of 1.0 MPa yielding 3204 kgf.
The rear adjuster acts as a mechanical stop that lets you shorten the 900 mm nominal stroke by up to 10 mm, providing an effective 890-900 mm travel window for fine-tuning end positions without adding external stops.
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