
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X900-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 900mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ100X900-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 825-900 mm usable travel window by allowing you to dial back the 900 mm nominal stroke by up to 75 mm. This bore delivers 5497 N of push force at 0.7 MPa and uses a G1/2 port with a 25 mm carbon steel rod.
The external adjuster acts as a travel stop to fine-tune the retract end-position during commissioning without adding external stops. It is not a locking device and will not hold the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X900-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
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. |
|---|---|
| 100 | Bore size in mm. |
| ×900 | 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 retract distance from 825 to 900 mm during machine commissioning to perfect product spacing without swapping hardware.
Quickly adapt the stroke window for different package sizes on a conveyor by adjusting the rear stopper screw.
Utilize the 5497 N push force at 0.7 MPa for heavy clamping tasks while retaining the flexibility to trim the travel end.
Choose this 100 mm bore if you need more thrust than the 63 mm option (2182 N at 0.7 MPa) but want to avoid the larger 160 mm footprint. The adjustable stroke is perfect for product changeovers requiring different end-stops, unlike a fixed SAI cylinder. For load-holding without live air, use a SAIL or BSAI cylinder instead. To replace an ISO 15552 cylinder, match the 900 mm stroke, 75 mm adjuster, PT G1/2 port, and mounting. Because the stroke is 900 mm, an external guide is recommended to manage side-load on the 25 mm rod.
Quick checklist
At 0.7 MPa operating pressure, this 100 mm bore cylinder provides 5497 N of push force and 3681 N of pull force.
The rear adjuster screw acts as a mechanical stop, letting you shorten the 900 mm stroke by up to 75 mm, yielding an 825-900 mm travel window. It sets the end position but does not lock the load without air.
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