
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X375-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 375mm 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 SAIJ200X375-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window down to a 365-375 mm range. Built with a robust 40 mm carbon steel rod and M36x2 thread, it delivers immense thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa. This makes it highly effective for moving heavy industrial loads with precision.
Unlike fixed-stroke alternatives, this model lets you dial in the exact retract end-position during commissioning without adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting, and the variable air cushions at both ends absorb kinetic energy. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X375-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 375 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. |
| ×375 | 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 365-375 mm retract position during heavy press commissioning to ensure precise mating of large components without external stopper blocks.
Adjust the end-stop on the fly during product changeover to accommodate varying large part dimensions on automated assembly machinery.
Fine-tune the stroke end-position to gently decelerate massive payloads using the internal air cushions combined with the 10 mm rear stopper adjustment.
The 10 mm adjustable range is ideal for final machine setup or compensating for mechanical tolerance stack-up on the retract stroke. Because the nominal stroke is 375 mm, an external guide is recommended to prevent excessive side-loading on the long, unsupported rod.
For load-holding without continuous air pressure, this standard adjuster will not suffice; you would need to explore the SAIL (air-released lock) or BSAI (clamp-lock) variants. As a dimensionally interchangeable ISO 15552 cylinder, replacing a unit requires matching the 200 mm bore, 375 mm stroke, 10 mm adjustment, PT tapered port thread, and the standard mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). No magnet is specified for this configuration, so CMSE or DMSE sensors cannot be used without the -S option.
Quick checklist
The maximum thrust is 3204 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective travel from the 375 mm nominal stroke by up to 10 mm, creating a usable 365-375 mm window. It acts as a mechanical stop to fine-tune the retract position and does not lock the load without live air.
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