
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X275-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 275mm 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 SAIJ200X275-75 is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty pneumatic applications.
This model incorporates a rear stroke adjuster that allows you to fine-tune the effective travel anywhere within a 200 to 275 mm window without swapping out the cylinder. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 configurations.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X275-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 275 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. |
| ×275 | 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 end-stop for massive forming or pressing equipment during initial commissioning, trimming the stroke back by up to 75 mm to perfect the crush distance.
Adapt a heavy-duty conveyor or lifting station to new pallet dimensions instantly by adjusting the travel window from 275 mm down to 200 mm without replacing the cylinder.
Fine-tune the retract position on large automated welding fixtures, ensuring thick steel plates align perfectly before the tooling activates.
Selecting this 200 mm bore cylinder is ideal when your application requires massive force output—delivering up to 21991 N at 0.7 MPa—along with precise end-position tuning during commissioning. Because this model features a 275 mm stroke, you should incorporate an external guide to support the load and mitigate side-load stresses on the 40 mm rod.
The 75 mm adjustment range is perfect for accommodating product size changes on a line without adding external stops. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pressure, consider the SAIL or BSAI series. This cylinder is dimensionally interchangeable per ISO 15552 and uses a PT tapered port thread.
Quick checklist
The operating speed range is 30-500 mm/s.
A rear adjusting screw acts as an external stopper, allowing you to shorten the effective stroke by up to 75 mm. This creates a usable travel window between 200 and 275 mm, but it is a stop, not a lock, so it will not hold the load without live air pressure.
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