Airtac SAIJ80 Adjustable Cylinder SAIJ80AX220-20S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX220-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 220mm 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
- Stroke220 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 SAIJ80AX220-20S
The AirTAC SAIJ80X220-20-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N pull force at 0.5 MPa and features a 200-220mm usable travel window, letting you dial back the nominal 220mm stroke by up to 20mm. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position detection.
This specific configuration includes a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and a PT tapered port thread. Because it is an adjustable-stroke variant, you can fine-tune the retract end-position during commissioning without swapping the cylinder or bolting on external stops. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX220-20S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX220-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 220 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 SAIJ80AX220-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×220 | 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 SAIJ80AX220-20S Is Used
Machine Setup & Changeover
Fine-tune the 200-220mm retract end-stop during machine commissioning or product size changes without physically swapping the actuator or adding external stops.
Variable End-Stop Positioning
Dial in the exact 220mm stroke distance on packaging or conveying lines to accommodate varying package lengths on the fly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX220-20S the Right Cylinder?
If a smaller force class fits your load, the 63mm bore offers 1402N pull at 0.5 MPa; stepping up to this 80mm bore provides the extra power needed for heavier fixtures. The adjustable 200-220mm travel window is ideal for product changeovers on a line, allowing you to reposition the stopper quickly rather than replacing the entire actuator.
When matching this ISO 15552 cylinder for a replacement, verify the 80mm bore, 220mm nominal stroke, 20mm adjustment range, PT port thread, and the -S magnet option. The -S magnet works seamlessly with AirTAC CMSE reed switches and DMSE solid-state sensors. Remember that SAIJ uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. For any load-holding requirements without continuous air pressure, this cylinder is insufficient; 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 SAIJ80AX220-20S FAQ
At 0.7 MPa, the push force increases to 3518N.
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective stroke from the nominal 220mm down to 200mm. This creates a 200-220mm adjustable travel window for fine-tuning end positions without replacing the cylinder.
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