Airtac SAIJ80 Adjustable Cylinder SAIJ80BX260-20
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX260-20 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke260 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX260-20
The AirTAC SAIJ80X260-20 is a double-acting, double-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting.
Equipped with a SUS304 stainless steel rod and PT tapered ports, this unit is built for demanding environments. The 25mm rod and M20x1.5 thread handle high side loads, while the rear stopper allows precise end-position tuning during commissioning. Note that this adjuster acts only as a travel stop and does not lock the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX260-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX260-20 |
|---|---|
| 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80BX260-20
| 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 SAIJ80BX260-20 Is Used
Machine Changeover
Fine-tune the 240-260mm retract distance on the fly when switching between product sizes on a packaging line.
End-Stop Calibration
Dial in the exact end position during initial commissioning without machining external stopper blocks.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX260-20 the Right Cylinder?
Choose this 80mm bore when an application requires more thrust than the 63mm variant (1559N at 0.5MPa) but less than the 100mm option (3927N). The adjustable 240-260mm window is perfect for machine setups requiring variable end-stops during product changeovers, replacing the need for fixed-stroke SAI cylinders. Because the stroke is 260mm, ensure an external guide supports the load to prevent excessive rod side-loading.
For direct compatibility, match the 80mm bore, 260mm nominal stroke, 20mm adjustment, PT port thread, and SUS304 rod. It supports the SAIJ mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2). If true load-holding is required without continuous air, select a SAIL or BSAI cylinder instead, as the rear adjuster here is strictly a stop.
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 SAIJ80BX260-20 FAQ
At 0.7MPa, the push force increases to 3518N.
The rear adjuster allows you to shorten the effective stroke by up to 20mm, creating a usable travel window between 240mm and 260mm. It acts as a mechanical stop to set the end position and does not function as a lock.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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