Airtac SAIJ100 Adjustable Cylinder SAIJ100BX80-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX80-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 80mm 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
- Stroke80 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX80-30S
The AirTAC SAIJ100X80-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear-mounted stroke adjuster, providing a usable travel window of 50 to 80 mm. It generates a substantial 3927 N push force at 0.5 MPa, making it well-suited for heavy-duty positioning tasks. The barrel is extruded aluminum and features sensor grooves on both sides for flexible switch mounting.
This specific SKU features a SUS304 stainless steel piston rod for superior corrosion resistance and includes a built-in magnet for position sensing. The rear adjuster acts purely as a mechanical stop to fine-tune the end position during commissioning without requiring external stops; it does not lock the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX80-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX80-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 80 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 SAIJ100BX80-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×80 | 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 SAIJ100BX80-30S Is Used
Machine Changeover
Dial in the exact end-of-stroke position within the 50-80 mm window when switching product sizes on a packaging line, avoiding physical cylinder swaps.
Heavy-Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy jigs into place, using the rear stopper to trim the final approach distance accurately.
Sensor-Driven Automation
Utilize the integrated -S magnet alongside DMSE solid-state sensors to confirm reach, while relying on the adjuster screw to set the precise retract limit.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX80-30S the Right Cylinder?
Select this 100 mm bore cylinder when an application requires significant thrust, such as the 3927 N push force at 0.5 MPa, but with the flexibility to dial back the travel by up to 30 mm during machine setup or product changeover. If your process demands less force, stepping down to an 80 mm bore yields 2513 N. Conversely, larger loads up to 6136 N require moving to a 125 mm bore.
When ordering a replacement, verify the 80 mm nominal stroke, the 30 mm adjustment range, the PT tapered port threads, and the -S magnet for CMSE reed and DMSE electronic sensors. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options found on some other series.
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 SAIJ100BX80-30S FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides a push force of 3927 N and a pull force of 3681 N. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw allows you to shorten the 80 mm nominal stroke by up to 30 mm, creating a usable travel window of 50 to 80 mm. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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