Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 80mm 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
- Stroke80 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-30S
The AirTAC SAIJ80X80-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 2513N push force at 0.5MPa and incorporates a SUS420J2 stainless steel rod with an M20x1.5 thread for robust side-load resistance. The built-in magnet supports CMSE reed and DMSE electronic sensors for exact position verification.
With a nominal 80mm stroke and a 30mm adjustment code, this model yields a 50-80mm usable travel window. You can fine-tune the retract end-position at commissioning or during product changeovers directly via the rear stopper, entirely avoiding the need to swap the cylinder or bolt on external stops. The extruded aluminum barrel includes sensor grooves on both sides, and variable air cushions at both ends absorb kinetic energy at the end of travel.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 80 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 SAIJ80AX80-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×80 | 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 SAIJ80AX80-30S Is Used
Machine Setup Changeovers
Dial in the 50-80mm travel window during product size changeovers to set new retract positions quickly without swapping cylinders or adding external stopper blocks.
Variable End-Stop Clamping
Ideal for clamping stations that process parts of varying widths, allowing operators to fine-tune the retract distance on the fly to accommodate different material dimensions.
Automated Assembly Positioning
Provides reliable 2513N push force at 0.5MPa for assembly presses, with the rear adjuster allowing precise end-position tuning to prevent over-travel and part damage.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-30S the Right Cylinder?
Select this 80mm bore when an application requires high thrust (up to 4523N at 0.9MPa) but demands variable end-stops for product size changes on a line. If you need less force, stepping down to a 63mm bore yields 2182N at 0.7MPa, while a 100mm bore provides 5497N for heavier loads. Choose this adjustable-stroke SAIJ over a fixed-stroke SAI when you need precise retract positioning without external stops. The PT tapered port thread ensures a tight, reliable pneumatic seal.
For ISO 15552 replacement matching, specify an 80mm bore, 80mm stroke, 30mm adjustment range, PT port thread, and the -S magnet option. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure; for true load-holding, consider an external rod lock or the AirTAC SAIL/BSAI series. The 25mm rod diameter handles normal side loads well, but any long unsupported stroke still requires an external guide.
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 SAIJ80AX80-30S FAQ
At 0.5 MPa it provides 2513N push and 2268N pull force. At 0.7 MPa the push force increases to 3518N, reaching a maximum push of 4523N at 0.9 MPa.
The rear adjuster screw lets you mechanically shorten the 80mm nominal stroke by up to 30mm, creating a 50-80mm usable travel window. It functions as a physical stop for end-position tuning and is not a load-holding lock.
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