Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 325mm 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
- Stroke325 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-30S
The AirTAC SAIJ80X325-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 295-325 mm usable travel window by allowing you to dial back the 325 mm nominal stroke by up to 30 mm. This bore delivers robust performance, generating 2513 N of push force and 2268 N of pull force at a 0.5 MPa operating pressure.
Equipped with a SUS420J2 stainless steel rod and a PT tapered port thread (G3/8), it integrates seamlessly with existing setups. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise position feedback.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 325 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 SAIJ80AX325-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×325 | 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 SAIJ80AX325-30S Is Used
Machine Changeover
Dial in the exact end-stop during product size transitions on a packaging line without physically replacing the actuator.
Commissioning Fine-Tune
Trim the 325 mm stroke by up to 30 mm to perfectly align tooling interfaces during initial equipment setup.
Variable End Positioning
Adjust the retract stroke length on the fly to accommodate varying material thicknesses in pressing applications.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-30S the Right Cylinder?
Choose this 80 mm bore if you need higher thrust than the 50 mm bore (982 N push at 0.5 MPa) but want to avoid the larger footprint of a 100 mm cylinder. The 30 mm rear adjuster is ideal for fine-tuning end positions during machine commissioning or product changeovers without swapping cylinders or adding external stops. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air. For load-holding without pneumatic pressure, consider the SAIL or BSAI series.
Because the 325 mm stroke is relatively long, an external guide is recommended to prevent excessive side-loading on the rod. As a dimensionally interchangeable ISO 15552 cylinder, it uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Operating speed ranges from 30-800 mm/s.
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 SAIJ80AX325-30S FAQ
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 513 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm, creating a 295-325 mm usable travel window. It functions purely as a mechanical stop and does not lock or hold the load without live air pressure.
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