Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100S 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 SAIJ80AX260-100S
The AirTAC SAIJ80X260-100-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 0.5MPa and features a generous 100mm adjustment range, creating a precise 160-260mm usable travel window for highly variable end-positions. An integrated magnet allows for position sensing using AirTAC CMSE reed or DMSE electronic switches mounted in the dual-side sensor grooves.
This model incorporates a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and utilizes PT tapered port threads (G3/8). The rear adjuster functions strictly as a mechanical stop to fine-tune the retract position without requiring external stops, while the standard air cushions handle end-of-stroke deceleration. It is not a locking device and requires live air to maintain load position.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100S |
|---|---|
| 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 SAIJ80AX260-100S
| 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 SAIJ80AX260-100S Is Used
Product Size Changeovers
Quickly reconfigure the 160-260mm travel window on packaging lines when switching between different container sizes without changing hardware.
Machine Setup Tuning
Fine-tune the exact retract end-stop during initial commissioning to achieve perfect positioning of high-force 80mm bore tooling.
Variable End-Stop Forming
Accommodate multiple material depths in pressing or forming applications by dialing the rear adjuster screw to the required depth.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX260-100S the Right Cylinder?
Selecting this 80mm bore cylinder makes sense when your machine requires high thrust (up to 4523N at 0.9MPa) alongside flexible end-position tuning. If your application needs less force, stepping down to a 63mm bore yields 1559N at 0.5MPa, whereas moving up to a 100mm bore provides 3927N at 0.5MPa. The 100mm adjustment window is particularly valuable for product changeovers, allowing you to dial in the stroke without swapping the cylinder. For load-holding without continuous air pressure, consider an AirTAC SAIL or BSAI cylinder instead, as the SAIJ adjuster only acts as a travel stop.
When replacing an ISO 15552 cylinder, match the 80mm bore, 260mm nominal stroke, 100mm adjustment range, G3/8 PT port, and the -S magnet requirement. Because the 260mm stroke exceeds 300mm guidelines for unsupported loads, ensure you use an external guide to prevent side-loading damage to the M20x1.5 rod thread. This profile cylinder supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options.
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 SAIJ80AX260-100S FAQ
At 0.5MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.9MPa, the push force increases to 4523N.
The rear mechanical adjuster allows you to shorten the effective stroke by up to 100mm from the 260mm nominal length, providing a usable travel window of 160-260mm. It acts as a hard stop for position tuning and does not lock the load.
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