Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-40
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX425-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 425mm 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.
- BoreØ100 mm
- Stroke425 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-40
The AirTAC SAIJ100X425-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 425mm travel that can be fine-tuned down by up to 40mm, giving an effective usable window of 385 to 425mm.
This adjustable-stroke design allows operators to dial in exact end positions during commissioning without swapping hardware. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE and DMSE switches. It utilizes a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 425 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 | 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.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×425 | 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 SAIJ100AX425-40 Is Used
Product Changeover
Quickly adapt to varying package sizes on a packaging line by dialing the stroke back from 425mm to 385mm without changing the cylinder mounting.
Commissioning Calibration
Fine-tune the exact end-of-stroke position during machine setup to perfectly time a pressing operation, absorbing mechanical tolerances via the rear stopper.
Adjustable Material Feed
Regulate the extension length of a pusher mechanism on an assembly conveyor, altering the effective travel window to accommodate different part geometries.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-40 the Right Cylinder?
If your setup needs less force, stepping down to an 80mm bore yields 2513N at 0.5MPa; stepping up to a 125mm bore provides 6133N. Because the 425mm stroke is relatively long, an external guide is recommended to prevent excessive side loading on the rod.
The rear adjuster acts strictly as a travel stop for deceleration, not a lock. It cannot hold a load without live air pressure. For true fail-safe load holding, select a SAIL pneumatic lock cylinder, a BSAI clamp-lock model, or integrate an external pilot-operated check valve. To match this ISO 15552 footprint, specify: 100mm bore, 425mm stroke, 40mm adjustment, PT port threads, SUS420J2 (A) rod material, no magnet, and the SAIJ mounting set.
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 SAIJ100AX425-40 FAQ
At 0.7MPa, the push force increases to 5497N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 425mm nominal stroke by up to 40mm. This creates a usable travel window of 385 to 425mm for fine-tuning end positions at commissioning without replacing the cylinder.
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Standard models are processed and dispatched in 3-5 business days.
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