Airtac SAIJ100 Adjustable Cylinder SAIJ100X400-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X400-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 400mm 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
- Stroke400 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X400-10S
The AirTAC SAIJ100X400-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 390-400mm usable travel window from its 400mm nominal stroke, allowing precise end-position tuning at commissioning. In the 100mm bore class, it delivers 3927N push and 3681N pull force at 0.5MPa, utilizing a robust 25mm carbon steel rod with an M20x1.5 thread.
Equipped with a -S magnet, this unit supports AirTAC CMSE reed and DMSE electronic sensors housed in the dual-side extruded aluminum barrel grooves. The rear adjuster acts purely as a mechanical stop for deceleration and does not hold the load without live air pressure; for position holding, consider SAIL or BSAI variants.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X400-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X400-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 400 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 SAIJ100X400-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×400 | 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 SAIJ100X400-10S Is Used
Precision End-Stop Tuning
Dial in the exact 390-400mm end position during machine commissioning to accommodate part tolerances without machining new hard stops.
Product Size Changeover
Quickly adjust the extend stroke by up to 10mm on a packaging line when switching between slightly different product lengths.
Automated Assembly Pressing
Leverage 3927N of thrust at 0.5MPa for pressing operations while fine-tuning the final position to suit varied component heights.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X400-10S the Right Cylinder?
Select this 100mm bore adjustable cylinder when a machine setup requires trimming the extend travel by up to 10mm without adding external stops or swapping the cylinder. If your application demands less force, stepping down to an 80mm bore yields 2513N push at 0.5MPa. To match this ISO 15552 interchangeable profile replacement, verify the 400mm stroke, 10mm adjustment, PT tapered port, and -S magnet requirement.
Because the 400mm stroke is relatively long, the 25mm rod and M20x1.5 thread provide substantial side-load resistance, but an external guide is still recommended for unsupported loads. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
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 SAIJ100X400-10S FAQ
At 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At the maximum 1.0MPa pressure, it can deliver up to 801kgf.
A rear mechanical stopper allows you to shorten the 400mm nominal stroke by up to 10mm, creating a 390-400mm usable travel window. This adjuster sets the travel end and deceleration point but does not lock or hold the load without continuous air pressure.
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