
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X950-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 950mm 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 SAIJ200X950-10 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications. It delivers a substantial thrust of 15708 N at 0.5 MPa, utilizing a robust 40 mm carbon steel rod and M36x2 thread. A defining feature of this SKU is the rear stroke adjuster, which permits a usable travel window between 940 and 950 mm. This 10 mm fine-tuning range allows operators to dial in the exact retract end-position during commissioning without needing to swap out the entire actuator.
Equipped with PT tapered G3/4 ports and 50 mm variable air cushions at both ends, this 200 mm bore profile cylinder manages heavy kinetic energy effectively. The extruded aluminum barrel features sensor grooves on both sides for straightforward position feedback. It is important to note that the rear stopper mechanism only sets the travel end and decelerates the load; it does not hold the position without live air pressure. For load-holding requirements, an external rod lock or a related SAIL pneumatic lock cylinder is required.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X950-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 950 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. |
| ×950 | 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.
Allows operators to quickly dial back the 950 mm stroke by up to 10 mm to accommodate slightly different product lengths on the fly, minimizing machine downtime.
Moves substantial masses using a 40 mm carbon steel rod, relying on the 50 mm air cushions and external guides to safely decelerate heavy payloads over long travel distances.
Selecting this 200 mm bore model provides a maximum thrust of 3204 kgf at 1.0 MPa, making it ideal for high-force pressing and heavy load manipulation.
The adjustable stroke design is specifically chosen over a fixed-stroke SAI cylinder when precise end-position tuning is necessary during machine setup or product changeover. Because this unit features a 950 mm stroke, which exceeds 300 mm, it is critical to manage side-loading: despite the large 40 mm rod diameter, an external guide rail should be used to support long unsupported loads. To match this ISO 15552 footprint, specify the 950 mm stroke, 10 mm adjustment, PT port thread, and the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Quick checklist
At the maximum operating pressure of 1.0 MPa, it can deliver up to 3204 kgf.
The rear adjusting screw acts as a mechanical stopper that trims the effective travel from the nominal 950 mm down to as little as 940 mm. This allows for precise end-position tuning at commissioning, though it only stops the load and does not lock it in place without live air pressure.
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