
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX700-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 700mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ100X700-30-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 700 mm nominal stroke that can be fine-tuned backward by up to 30 mm, yielding a precise 670-700 mm usable travel window.
This model includes a magnetic piston for electronic position sensing and uses a SUS420J2 stainless steel rod (material code A) for superior corrosion resistance. The extruded aluminum barrel incorporates sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE solid-state switches. It features G1/2 ports and a M20x1.5 rod thread, while the rear adjustment screw functions purely as a travel stop, not a load-holding lock.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX700-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 700 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 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. |
|---|---|
| 100 | Bore size in mm. |
| ×700 | 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 670-700 mm retraction point on a heavy-duty metal forming press without swapping cylinders or adding mechanical spacers during product changeovers.
Fine-tune the rear stopper by up to 30 mm during initial commissioning to perfectly time a 700 mm travel cycle, ensuring precise alignment of large automated fixtures.
Choose this 100 mm bore cylinder when an application requires substantial thrust—up to 5497 N at 0.7 MPa—combined with variable end-stop positioning. Conversely, heavier loads requiring 6136 N at 0.5 MPa would necessitate moving up to a 125 mm bore.
Because the 700 mm stroke is relatively long, an external guide is recommended to prevent excessive side-loading on the M20x1.5 piston rod. For ISO 15552 interchangeability, match the 100 mm bore, 700 mm stroke, 30 mm adjustment, PT tapered G1/2 ports, and the -S magnet. Remember that the SAIJ rear adjuster only decelerates the load; for true position holding without live air, select a SAIL (air-released lock) or BSAI (clamp-lock) cylinder.
Quick checklist
At 0.9 MPa, the push force increases to 7068 N.
The rear adjuster screw acts as a mechanical stop that can trim the effective travel back by up to 30 mm, creating a 670-700 mm usable stroke window. It functions as an end-position stop and does not lock or hold the load without continuous air pressure.
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