Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 105mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke105 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30
The AirTAC SAIJ80X105-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 75-105 mm, allowing you to dial back the 105 mm nominal stroke by up to 30 mm during commissioning. This bore delivers a robust 3518 N push force at 0.7 MPa, making it well-suited for heavier manipulation tasks.
Instead of relying on external stops, the integrated rear screw lets you fine-tune the retract end position directly on the machine. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. Remember that the adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 105 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×105 | 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 SAIJ80 Adjustable Cylinder SAIJ80X105-30 Is Used
Product Changeovers
Dial in the exact end position for different sized parts on the same line by adjusting the rear screw up to 30 mm without changing hardware.
Assembly Positioning
Leverage the 3518 N thrust at 0.7 MPa to push heavy components into place while fine-tuning the final travel end during machine setup.
Variable End Stops
Use the 75-105 mm travel window to accommodate multiple operational strokes on a single fixture, avoiding the need for fixed mechanical stops.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30 the Right Cylinder?
Select this 80 mm bore when an application requires higher force than a 63 mm bore provides (which yields 2182 N push at 0.7 MPa), but does not necessitate stepping up to a 100 mm bore (5497 N). The 30 mm adjustment range is ideal for product-size changeovers, enabling variable end-stops without physically swapping the cylinder. It uses a PT G3/8 port and a 25 mm carbon steel rod.
This SAIJ model supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options. Because the stroke is 105 mm, side-load risks are minimal, but long unsupported strokes should always use an external guide. For applications requiring load-holding without live air pressure, consider the SAIL or BSAI series 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 SAIJ80 Adjustable Cylinder SAIJ80X105-30 FAQ
At a 0.7 MPa operating pressure, this 80 mm bore cylinder generates 3518 N of push force and 2268 N of pull force. At 0.9 MPa, the push force increases to 4523 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 105 mm nominal stroke by up to 30 mm, providing an effective travel window of 75 to 105 mm. It only sets the travel end and does not lock or hold the load without continuous air pressure.
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