
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX200-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 200mm 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 SAIJ100X200-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the effective travel window from 180 to 200 mm during commissioning.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic solid-state switches, giving you adaptable end-of-stroke detection without needing extra brackets.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX200-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 200 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. |
| ×200 | 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 180-200 mm travel window during line changeovers to accommodate different product lengths without physically replacing the actuator.
Fine-tune the retract stopper during machine commissioning to dial in exact seating positions for high-precision heavy-duty assembly tasks.
Choose this 100 mm bore adjustable-stroke model when your application requires precise in-field tuning of the retract end-position without swapping out the entire cylinder or adding bulky external stops. When matching ISO 15552 interchangeable replacements, verify the 200 mm stroke, 20 mm adjustment range, PT G1/2 port, and your required mounting set.
The SAIJ series supports a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. Keep in mind that the rear adjuster acts purely as a travel stop to set deceleration and end-position; it does not hold the load without live air pressure. For true load-holding requirements without continuous air, consider an external rod lock or pilot-operated check valve.
Quick checklist
If pressure is increased to 0.9 MPa, the push force reaches 7068 N.
The rear external screw acts as a mechanical stop that allows you to shorten the nominal 200 mm stroke by up to 20 mm, creating a usable travel window of 180 to 200 mm. It only sets the end-position and does not lock or hold the load without continuous air pressure.
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