Airtac SAIJ100 Adjustable Cylinder SAIJ100BX25-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX25-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 25mm 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
- Stroke25 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX25-10
The AirTAC SAIJ100X25-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 15-25mm usable travel window. It delivers 3927N of push force at 0.5 MPa, making it a robust choice for heavy-duty positioning. The barrel is extruded aluminum with sensor grooves on both sides, and this specific configuration uses a SUS304 stainless steel rod for superior corrosion resistance.
Because the rear adjuster acts as a mechanical stop, you can fine-tune the end position during commissioning without adding external stops. The adjuster and the variable air cushions at both ends manage deceleration, but neither will hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series. This model uses a PT tapered G1/2 port and operates at speeds between 30-800 mm/s.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX25-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX25-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 25 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 SAIJ100BX25-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×25 | 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 SAIJ100BX25-10 Is Used
Precision End-Tuning
Dial in the exact 15-25mm travel distance during machine commissioning to perfect pressing or clamping depth without swapping cylinders.
Product Changeover
Quickly adjust the rear stopper on the line when handling slightly different product sizes, saving setup time and avoiding external stop hardware.
Heavy-Duty Positioning
Leverage the 3927N push force at 0.5 MPa for moving substantial jigs or fixtures, using the rear screw to set the precise retracted end position.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX25-10 the Right Cylinder?
Choose this 100mm bore cylinder when an application requires substantial thrust (3927N push at 0.5 MPa) but the exact end-of-stroke position needs on-site fine-tuning within a 15 to 25mm window. If your force requirements are lower, stepping down to an 80mm bore provides 2513N push force. The adjustable rear screw is ideal for product changeovers where a fixed-stroke SAI cylinder would require physical modification.
This SKU features a PT port thread, a SUS304 stainless steel rod, and no magnet (-S omitted). It is dimensionally interchangeable per ISO 15552. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For any stroke of 300mm or more, an external guide is recommended to prevent side-load damage, though this 25mm stroke is well within safe rod deflection limits.
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 SAIJ100BX25-10 FAQ
The SAIJ100X25-10 generates 3927N of push force and 3681N of pull force at 0.5 MPa. At 0.7 MPa, the push force increases to 5497N.
The rear adjuster screw acts as a mechanical stop, allowing you to trim the nominal 25mm stroke back by up to 10mm. This creates a usable travel window of 15-25mm for fine-tuning end positions. It is a travel stop, not a lock, and will not hold the load without live air pressure.
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