Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 230mm 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
- Stroke230 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40S
The AirTAC SAIJ100X230-40-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster. It delivers 3927N push force at 0.5MPa and 7068N at 0.9MPa. The integrated rear stopper lets you dial back the nominal 230mm travel by up to 40mm, creating a precise 190-230mm usable window. This is ideal for fine-tuning end positions at commissioning without adding external stops.
This unit features a SUS304 stainless steel rod for corrosion resistance and includes a magnet for position sensing. It works seamlessly with AirTAC CMSE reed and DMSE electronic switches mounted in the dual-side sensor grooves. The extruded aluminum barrel design omits tie-rods, and the mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 230 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 SAIJ100BX230-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×230 | 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 SAIJ100BX230-40S Is Used
Machine Setup Calibration
Dial in the exact 190-230mm end position during initial commissioning to perfect a pressing operation without machining custom spacers.
Product Size Changeover
Quickly adjust the stroke rearward by up to 40mm on a packaging line when switching to a smaller product format, minimizing downtime.
Test Fixture Positioning
Leverage the SUS304 rod and 7068N force at 0.9MPa to vary the travel limit dynamically for different test specimen lengths in a lab environment.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40S the Right Cylinder?
Choose this 100mm bore when you need higher thrust than the 63mm bore (1559N at 0.5MPa) but want to avoid the larger footprint of a 125mm cylinder. The adjustable 190-230mm travel window is perfect for product changeovers on a line, allowing you to reposition the end-stop without physically swapping the cylinder. Because the 230mm stroke is under the 1500mm maximum, it remains a standard configuration.
For load-holding applications without live air pressure, note that the rear adjuster on this SAIJ cylinder acts only as a travel stop and deceleration buffer, never as a mechanical lock. You must look at the SAIL or BSAI series, or use an external pilot-operated check valve, to hold loads safely. The 25mm rod and M20x1.5 thread handle side loads well, but for this 230mm stroke, always use an external guide rail to prevent rod wear.
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 SAIJ100BX230-40S FAQ
At 0.5MPa it provides 3927N push and 3681N pull force. At 0.9MPa, the push force increases to 7068N. The maximum rated thrust is 801 kgf at 1.0MPa.
A rear adjusting screw acts as an external stopper, allowing you to shorten the effective travel from the 230mm nominal stroke down to 190mm. This provides a 190-230mm usable window for fine-tuning the retract end position without replacing the cylinder.
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