Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 20mm 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
- Stroke20 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10
The AirTAC SAIJ100X20-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 3927N push force at 0.5 MPa and features a 10 to 20mm usable travel window, letting you dial in the exact end position during commissioning without adding external stops. The barrel is extruded aluminum with sensor grooves on both sides.
This specific SKU uses a SUS304 stainless steel rod for superior corrosion resistance and steps up to a robust 25mm rod diameter with an M20x1.5 thread to handle high side loads. It features PT tapered G1/2 ports and variable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 20 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 SAIJ100BX20-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×20 | 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 SAIJ100BX20-10 Is Used
Precision Pressing
Dial in the exact 10-20mm travel for a pressing operation, ensuring consistent force application without physically swapping the cylinder.
Machine Changeover
Quickly adapt end-stop positions during product size changeovers on a packaging line by turning the rear adjuster instead of re-engineering hard stops.
Clamp Positioning
Fine-tune the retracted end position for varying part widths, using the 10mm adjustment window to perfect the clamping distance.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10 the Right Cylinder?
Choose this 100mm bore when the 80mm bore (2513N push at 0.5 MPa) lacks the thrust for your tooling, but you want to avoid the larger 125mm footprint. The 10mm adjustment range is highly effective for fine-tuning short 20mm strokes in compact clamping or pressing stations. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure. For load-holding without continuous air, select the SAIL or BSAI series instead. To match this cylinder exactly, specify: 100mm bore, 20mm stroke, 10mm adjustment, PT G1/2 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and no magnet.
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 SAIJ100BX20-10 FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder generates a push force of 3927N and a pull force of 3681N. At the maximum 1.0 MPa pressure, it can deliver up to 801 kgf.
The rear adjuster screw allows you to shorten the effective travel by up to 10mm, creating a usable stroke window of 10 to 20mm. This lets you fine-tune the end position at commissioning without replacing the cylinder.
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