Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-20
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-20
The AirTAC SAIJ80X230-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 20 mm, creating a precise 210-230 mm usable window. This on-machine fine-tuning eliminates the need to swap hardware or bolt on external stops during commissioning. It delivers a robust 4523 N of push force at 0.9 MPa, making it suitable for heavy-duty positioning tasks.
The 25 mm carbon steel rod and M20x1.5 thread provide excellent rigidity, while the extruded aluminum barrel incorporates sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. The rear adjuster acts purely as a mechanical stop to set the end position and does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series instead.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 230 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 SAIJ80AX230-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×230 | 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 SAIJ80AX230-20 Is Used
Machine Changeover
Dial in the exact 210-230 mm retraction point during product size changes without swapping out the entire cylinder assembly.
End-Stop Tuning
Fine-tune the rear mechanical stop during commissioning to perfectly time the stroke with downstream tooling.
Heavy Positioning
Leverage the 4523 N push force at 0.9 MPa to shift heavy pallets or fixtures into their exact working stations.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-20 the Right Cylinder?
Select this 80 mm bore cylinder when your application requires substantial thrust—4523 N at 0.9 MPa—and a variable end-stop within a 210-230 mm travel window. If your force requirements are lower, stepping down to a 63 mm bore yields 2805 N at 0.9 MPa, whereas moving up to a 100 mm bore provides 7068 N. The adjustable rear screw is ideal for product changeovers where the exact retraction point varies slightly, unlike a fixed-stroke SAI cylinder which requires physical shimming to alter its end position.
This SAIJ80X230-20 configuration features SUS420J2 stainless steel rod material, PT tapered port threads, and no internal magnet. It supports the standard ISO 15552 mounting interface using the Basic, FA, LB, TC, FTC, TCM1, and TCM2 footprints. Although the 230 mm stroke is within standard limits, long unsupported travels always require an external guide to prevent excessive side-loading on the rod.
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 SAIJ80AX230-20 FAQ
The rear adjuster screw lets you shorten the nominal 230 mm stroke by up to 20 mm, providing a usable travel window of 210 to 230 mm. This allows precise end-position tuning at commissioning without adding external stops.
At an operating pressure of 0.9 MPa, the SAIJ80X230-20 generates 4523 N of push force and 4071 N of pull force, with a maximum rated force of 513 kgf at 1.0 MPa.
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