Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 160mm 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.
- BoreØ100 mm
- Stroke160 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20
The AirTAC SAIJ100X160-20 is a double-acting, single-rod ISO 15552 profile cylinder engineered for high-force applications requiring exact end-position tuning. It delivers a robust 3927N push force at 0.5 MPa, while the integrated rear adjusting screw allows you to trim the effective travel back by up to 20 mm. This creates a precise 140-160 mm usable stroke window, enabling on-the-fly calibration during commissioning without swapping out the physical cylinder.
Built with a SUS420J2 stainless steel rod (option A) and PT tapered port threads, this 100 mm bore unit handles demanding environments. The extruded aluminum barrel features dual sensor grooves for mounting CMSE reed or DMSE electronic switches if position feedback is later required. It utilizes a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and relies on variable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 160 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.
Theoretical Output Force (Ø100mm)
| 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.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×160 | 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.
Where the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20 Is Used
Machine Changeover Calibration
Dial in the 140-160 mm stroke window during product format changes to set exact end positions without physically replacing the cylinder or adding external stopper blocks.
High-Force Pressing
Leverage the 3927N push force at 0.5 MPa for heavy assembly operations, using the rear screw to fine-tune the pressing depth accurately at the commissioning stage.
Variable End-Stop Conveying
Adjust the retract stop position on the fly to accommodate different package sizes or downstream process timings without halting production for mechanical retooling.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20 the Right Cylinder?
Select this 100 mm bore model when your application demands high thrust—delivering 3927N of push force at 0.5 MPa or 5497N at 0.7 MPa. If your process requires less force, stepping down to an 80 mm bore yields 2513N at 0.5 MPa, saving valuable machine space. The SAIJ100X160-20 is chosen over a fixed-stroke SAI cylinder when a product changeover or mechanical setup requires a variable end-stop, allowing you to dial in the 140-160 mm travel window precisely without adding external stopper blocks.
When matching an ISO 15552 replacement, verify the 160 mm stroke, 20 mm adjustment range, PT port threads, and the specific mounting interface. Because the 160 mm stroke is relatively short, side-loading is less severe than on longer travels, but an external guide is still recommended for heavy off-center loads. Remember that the rear adjuster and air cushions only decelerate the load; they do not hold position without live air. For true fail-safe load holding, consider an external rod lock or the AirTAC SAIL or BSAI cylinder series.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX160-20 FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927N of push force and 3681N of pull force. If you increase the pressure to 0.7 MPa, the push force rises to 5497N.
The rear adjusting screw acts as a mechanical stopper that lets you shorten the nominal 160 mm stroke by up to 20 mm, providing a usable travel window of 140 to 160 mm. This allows precise end-position tuning during setup, though it does not lock the load without continuous air pressure.
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