
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X290-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 290mm 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 SAIJ200X290-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 215 to 290 mm. This substantial thrust capacity makes it ideal for heavy-duty pressing, lifting, and clamping operations that demand precise end-position tuning during commissioning.
This variant features a carbon steel piston rod with an M36x2 thread and PT tapered ports. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet (-S) supports AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjustment screw acts strictly as a mechanical stop to fine-tune the retract position without needing external stops, while the variable air cushions at both ends manage deceleration.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X290-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 290 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. |
| ×290 | 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.
Quickly shift the effective stroke from 290 mm down to 215 mm to accommodate varying package sizes or pallet dimensions on a single line.
Simplifies final end-position calibration during commissioning, letting technicians fine-tune the retract distance using the rear stopper instead of remounting the cylinder.
If you need less force, stepping down to a 160 mm bore yields 10053 N, but the SAIJ200X290-75-S is necessary for the heaviest loads. The 75 mm adjustment window is perfect for product changeovers, allowing operators to dial in the stroke from 290 mm down to 215 mm without swapping the cylinder. When replacing an ISO 15552 cylinder, match the 200 mm bore, 290 mm stroke, PT port threads, and the -S magnet requirement.
Because the nominal stroke is 290 mm, an external guide should be used to support the load and prevent excessive side-loading on the M36x2 rod. Remember that the rear adjuster and air cushions only set the travel end and decelerate the load; they do not hold position without live air. For load-holding without pneumatic pressure, consider an AirTAC SAIL pneumatic lock, a BSAI clamp-lock cylinder, or an external rod lock. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
The rear mechanical stopper allows you to trim the effective travel anywhere within a 215 to 290 mm window. It acts as a physical stop to set the retract position, but it is not a lock and will not hold the load without continuous air pressure.
It operates at speeds between 30 and 500 mm/s and uses PT tapered G3/4 ports.
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