Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 260mm 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
- Stroke260 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100
The AirTAC SAIJ80X260-100 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 2513N of push force at 0.5 MPa. By turning the external stopper screw, you can trim the effective travel anywhere within a 160 to 260 mm window. This allows precise end-position tuning during commissioning without swapping out the physical cylinder or adding external mechanical stops.
Built with an SUS420J2 stainless steel rod for enhanced corrosion resistance, this 80 mm bore unit utilizes a PT tapered G3/8 port. It features standard variable air cushions at both ends to decelerate the load smoothly. Remember that this rear adjuster acts only as a travel stop and does not hold the load without live air pressure; for true pneumatic locking, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 260 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 SAIJ80AX260-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×260 | 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 SAIJ80AX260-100 Is Used
Product Changeovers
Dial in the 160-260 mm travel window during format size changes on packaging lines without replacing hardware.
Machine Setup
Fine-tune the exact end-stop position during initial commissioning to perfect pressing or forming depths.
Variable End Stops
Accommodate varying package sizes on a conveyor sorting system by adjusting the rear stopper as needed.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100 the Right Cylinder?
Select this 80 mm bore model when your application requires substantial force—such as the 2513N push thrust at 0.5 MPa—but demands flexibility in the final end-stop position. If your setup needs less force, stepping down to a 63 mm bore yields 1559N, whereas moving up to a 100 mm bore provides 3927N. The generous 100 mm adjustment range is ideal for product changeovers on a packaging line where multiple material widths require different stroke lengths.
Because this cylinder features a 260 mm stroke, the 25 mm rod and M20x1.5 thread provide robust support, but an external guide is still recommended to prevent excessive side-loading on the piston rod over longer travels. To match this exact ISO 15552 replacement, specify an 80 mm bore, 260 mm stroke, 100 mm adjustment, PT port thread, and no magnet. The compatible mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80AX260-100 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides a push force of 2513N and a pull force of 2268N. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the nominal 260 mm stroke by up to 100 mm. This creates a usable travel window of 160 to 260 mm for precise positioning, though it does not lock the load without continuous air pressure.
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