Airtac SAIJ80 Adjustable Cylinder SAIJ80AX450-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX450-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 450mm 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
- Stroke450 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX450-10S
The AirTAC SAIJ80X450-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 440 to 450 mm. Delivering 2513 N of push force at 0.5 MPa, it handles demanding actuation tasks while allowing precise end-position tuning during commissioning without swapping out the entire unit.
This variant features a SUS420J2 stainless steel rod for enhanced corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. It uses a G3/8 PT port and relies on an extruded aluminum barrel with sensor grooves on both sides, omitting tie-rod construction entirely.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX450-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX450-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 450 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 SAIJ80AX450-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×450 | 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 SAIJ80AX450-10S Is Used
Machine Setup Changeover
Dial in the exact 440-450 mm retract position during machine format changes without adding external physical stops to the fixture.
Variable End-Stop Diverter
Fine-tune the actuation endpoint on a sorting line to accommodate different package sizes on the fly.
Assembly Press Positioning
Adjust the precise end-of-stroke contact point for a 2513 N press operation during initial equipment commissioning.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX450-10S the Right Cylinder?
Choose this 80 mm bore when an application requires more thrust than a 63 mm cylinder (which provides 1559 N push at 0.5 MPa) but less than the 3927 N output of a 100 mm unit. The 10 mm adjustable stop is ideal for fine-tuning the retract position during product changeovers, whereas a fixed SAI cylinder locks you into a single exact dimension. Because the stroke is 450 mm, an external guide is recommended to prevent excessive side-loading on the rod.
To match this ISO 15552 interchangeable cylinder, specify an 80 mm bore, 450 mm stroke, 10 mm adjustment, PT ports, and a magnet for position sensing. Remember that the rear adjuster acts only as a travel stop, not a lock; for load-holding without live air pressure, consider an AirTAC SAIL or BSAI model. Mounting options include 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 SAIJ80AX450-10S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the nominal 450 mm stroke by up to 10 mm, creating a 440-450 mm travel window. This stopper only sets the end position and does not lock the load without live air pressure.
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