Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10S 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 SAIJ100BX20-10S
The AirTAC SAIJ100X20-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 7068N of push force at 0.9 MPa. It features a SUS304 stainless steel rod and a PT tapered port. With a nominal 20mm stroke and a 10mm adjustment range, it provides a highly precise 10-20mm usable travel window for exact end-position tuning.
This adjustable-stroke design allows you to dial in the retract distance at commissioning without swapping hardware or adding external stops. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series. This unit includes a magnet for use with CMSE reed and DMSE electronic sensors.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10S |
|---|---|
| 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 SAIJ100BX20-10S
| 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 SAIJ100BX20-10S Is Used
Precision End-Stop Tuning
Dial in the exact 10-20mm travel distance during machine commissioning without needing to replace the cylinder or bolt on external physical stops.
Machine Changeover
Quickly adjust the retract end-position to accommodate new product sizes on a packaging line, reducing downtime between production runs.
Short-Stroke Clamping
Apply up to 7068N of clamping force at 0.9 MPa while using the rear screw to set the precise clamping depth for delicate or variable parts.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX20-10S the Right Cylinder?
Choose this 100mm bore when you need substantial thrust, such as 5497N push at 0.7 MPa, but require finer travel control than a fixed 20mm stroke SAI offers. If your application needs less force, stepping down to an 80mm bore yields 4523N push at 0.9 MPa. Because the stroke is only 20mm, side-load stress on the M20x1.5 rod thread is minimal, though an external guide is still recommended for heavy lateral loads. To match this ISO 15552 interchangeable cylinder, specify a 100mm bore, 20mm stroke, 10mm adjustment, PT port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and a -S 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 SAIJ100BX20-10S FAQ
At 0.9 MPa operating pressure, this 100mm bore cylinder generates 7068N of push force and 6619N of pull force. At 0.5 MPa, it provides 3927N push and 3681N pull.
The rear adjuster screw lets you shorten the nominal 20mm stroke by up to 10mm, creating a 10-20mm usable travel window. This stopper only sets the end position and does not lock the load without continuous air pressure.
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