Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-10S 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 SAIJ80AX260-10S
The AirTAC SAIJ80X260-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa and features a 25mm carbon steel rod upgraded to SUS420J2 stainless steel for superior corrosion resistance. With a 260mm nominal stroke, the external rear stopper allows you to fine-tune the effective travel down to 250mm without adding external stops.
This adjustable-stroke model features a PT tapered G3/8 port and an integrated magnet for position sensing. It is designed to accept AirTAC CMSE reed and DMSE solid-state switches within its dual-side sensor grooves. The extruded aluminum barrel maintains standard ISO 15552 mounting dimensions while providing variable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-10S |
|---|---|
| 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 SAIJ80AX260-10S
| 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 SAIJ80AX260-10S Is Used
Machine Setup Tuning
Dial in the exact 250-260mm end-stop during initial commissioning without machining custom spacers or swapping cylinders.
Product Changeover
Quickly adjust the retract position by up to 10mm on a packaging line when running slightly shorter product lengths.
Clamping Force Control
Use the fine rear stopper to regulate the extend position, ensuring consistent clamping travel within the 2513N force class.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-10S the Right Cylinder?
Choose this 80mm bore when an application requires higher force than the 63mm bore (which provides 1559N at 0.5 MPa) but does not need the full 3927N push force of the 100mm version. The 10mm adjustment window is ideal for precise end-position tuning during machine commissioning or product changeover, replacing the need to swap out a fixed-stroke SAI cylinder. Mounting options include the reduced SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Because the 260mm stroke exceeds the 300mm threshold guideline for long unsupported rods, an external guide is recommended to prevent excessive side-loading on the rod thread. Remember that the rear adjuster acts only as a travel stop and the air cushions provide deceleration; neither holds the load without live air pressure. For fail-safe load holding, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ80AX260-10S FAQ
At an operating pressure of 0.5 MPa, this 80mm bore cylinder provides 2513N of push thrust and 2268N of pull thrust. The maximum thrust is 513 kgf at 1.0 MPa.
The rear external screw allows you to shorten the 260mm nominal stroke by up to 10mm, creating a usable travel window of 250-260mm. This adjuster acts as a mechanical stop to fine-tune the end position and does not lock or hold the load without continuous air pressure.
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