
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 115mm 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 SAIJ100X115-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, letting you dial back the nominal 115 mm stroke by up to 10 mm. This yields a 105-115 mm usable travel window, ideal for fine-tuning the retract end position during commissioning without swapping the hardware. It delivers substantial thrust, pushing 7068 N at 0.9 MPa and 3927 N at 0.5 MPa.
This variant features a SUS420J2 stainless steel rod (option A) for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Mounting options cover the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 115 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. |
| ×115 | 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 position within the 105-115 mm window during product line changeovers, eliminating the need to machine custom spacers or swap cylinders.
Fine-tune the final end position at commissioning to perfect pressing or clamping depth, using the rear screw to absorb minor mechanical tolerances.
Leverage the 7068 N push force at 0.9 MPa to move heavy pallets or platens, relying on the adjustable stop to set the precise resting coordinate.
Choose this 100 mm bore when your application requires high force—stepping down to an 80 mm bore drops the 0.5 MPa push force to 2513 N, while a 125 mm bore increases it to 6136 N. Select the adjustable SAIJ over a fixed-stroke SAI when you need variable end-stops for machine setup or product changeovers. The rear adjuster acts purely as a travel stop and does not hold the load without live air; for true load-holding, consider an external rod lock, SAIL, or BSAI clamp-lock cylinder. With a 115 mm stroke, side-load is minimal, but always guide the rod end for optimal bearing life.
Quick checklist
At 0.5 MPa it pushes 3927 N and pulls 3681 N. At 0.9 MPa it pushes 7068 N and pulls 6625 N. The maximum thrust at 1.0 MPa is 801 kgf.
A rear screw acts as an external stop, allowing you to shorten the 115 mm nominal stroke by up to 10 mm, creating a 105-115 mm travel window. It only sets the end position; it does not lock the load without live air pressure.
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