Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 225mm 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
- Stroke225 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-10
The AirTAC SAIJ100X225-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering robust thrust for heavy-duty pneumatics. It features a 100mm bore generating 7068N of push force at 0.9 MPa, alongside a SUS304 stainless steel rod for superior corrosion resistance. By integrating an external stopper, this actuator provides a usable travel window of 215 to 225mm, allowing you to trim up to 10mm off the 225mm nominal stroke without adding external stops.
This adjustable-stroke design is ideal for fine-tuning end positions during commissioning or product changeovers. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. It uses PT tapered ports sized at G1/2, operates at speeds between 30 and 800 mm/s, and relies on adjustable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 225 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 SAIJ100BX225-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×225 | 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 SAIJ100BX225-10 Is Used
Machine Setup Changeover
Quickly dial in the 215-225mm travel window during product family changeovers, using the rear screw to set exact positioning without swapping the actuator.
Variable End Stops
Provides a fine-tuned physical stop for heavy conveyor diverters, utilizing the 7068N thrust capacity to push loads reliably while trimming the final 10mm of travel.
Heavy Fixture Alignment
Employs the SUS304 stainless rod to press large assemblies into place, allowing operators to adjust the clamping depth precisely during initial commissioning.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-10 the Right Cylinder?
Selecting this 100mm bore actuator makes sense when your application requires the 7068N push force at 0.9 MPa, stepping up from a 80mm bore that provides 4523N. The 10mm adjustment window is perfect for dialing in exact end-of-stroke positions at setup, offering more flexibility than a fixed SAI cylinder. Because the stroke is 225mm, you should ensure adequate external guiding to handle side loads, as the 25mm rod and M20x1.5 thread handle high thrust but cannot support unsupported lateral forces alone.
When specifying a replacement, match the 100mm bore, 225mm nominal stroke, 10mm adjuster, PT G1/2 port, and the SUS304 (B) rod material. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Remember that the rear adjuster is a travel stop, not a lock; if you need to hold the load without live air pressure, consider an AirTAC SAIL or BSAI cylinder instead.
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 SAIJ100BX225-10 FAQ
At an operating pressure of 0.9 MPa, this 100mm bore cylinder generates a push force of 7068N and a pull force of 3681N. The maximum thrust at 1.0 MPa is 801 kgf.
The rear adjuster acts as an external stopper that allows you to shorten the effective stroke by up to 10mm, creating a usable travel window of 215 to 225mm. It sets the end position but does not lock the load without live air pressure.
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