
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X280-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 280mm 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 SAIJ200X280-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers immense thrust, pushing with 15708N and pulling with 15080N at 0.5 MPa. By turning the rear adjusting screw, you can trim the nominal 280mm stroke back by up to 100mm, creating a precise 180-280mm usable travel window for product changeovers.
This carbon-rod unit features a PT tapered G3/4 port and a built-in magnet for CMSE or DMSE sensors. The extruded aluminum barrel includes sensor grooves on both sides. Remember the rear adjuster acts only as a travel stop to set deceleration, not as a load lock; for holding loads without live air, use a SAIL or BSAI cylinder.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X280-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 280 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. |
| ×280 | 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 180-280mm end-stop for heavy pressing applications, allowing precise calibration without adding external mechanical stops.
Quickly adapt a manufacturing line for different product sizes by adjusting the rear screw up to 100mm, minimizing downtime.
Set variable retract end positions on large machinery where the final stopping point must be tweaked during initial setup.
Choose this 200mm bore when your application requires extreme force, as it provides up to 318 kgf at 1.0 MPa. The adjustable stroke is selected over a fixed SAI cylinder when you need to fine-tune end positions at commissioning without swapping physical components.
For an ISO 15552 replacement, match the 200mm bore, 280mm stroke, 100mm adjustment, PT G3/4 port, and the -S magnet. Because the stroke is 280mm, ensure external guiding to handle side loads, as even the robust 40mm rod and M36x2 thread cannot support high lateral forces alone.
Quick checklist
The operating speed range is 30-500 mm/s.
The rear adjuster screw lets you shorten the 280mm nominal stroke by up to 100mm, creating a 180-280mm travel window. It functions as a stop to set the end position, not as a lock to hold the load.
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