Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 65mm 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
- Stroke65 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30
The AirTAC SAIJ80X65-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the effective travel down to a 35-65 mm usable window. It delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa, making it a robust choice for mid-range actuation. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This SKU utilizes a SUS420J2 stainless steel piston rod for enhanced corrosion resistance and features PT tapered port threads. The rear adjuster acts purely as a mechanical stop to fine-tune the end position during commissioning without adding external stops. It does not lock the load without live air pressure; for fail-safe holding, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 65 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 SAIJ80AX65-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×65 | 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 SAIJ80AX65-30 Is Used
Product Changeover
Dial in the exact end-stop during production line changeovers to accommodate different package sizes without swapping out the entire cylinder assembly.
Commissioning Tuning
Fine-tune the retract position during initial machine setup to align tooling perfectly, using the 30 mm adjustment window to absorb mechanical tolerances.
Variable End Stops
Adjust the effective stroke dynamically on packaging equipment where the resting position of the actuator must be altered for different process parameters.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX65-30 the Right Cylinder?
Select this 80 mm bore when a 50 mm bore (982 N push at 0.5 MPa) is insufficient and you need higher force output within a compact footprint. The 30 mm adjustment range is ideal for machine setups requiring variable end-stops or product changeovers, offering flexibility that a fixed-stroke SAI cylinder cannot provide. If your application requires position holding without continuous air supply, you must integrate an external pilot-operated check valve or switch to a SAIL locking cylinder.
To replace an ISO 15552 cylinder with this model, match the 80 mm bore, 65 mm stroke, PT port thread, and the required mounting accessory from the SAIJ subset (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that FB, CA, CB, and CR mounts are omitted from this adjustable series. This specific SKU does not include a magnet for sensors.
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 SAIJ80AX65-30 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 the maximum operating pressure of 1.0 MPa, it can deliver up to 513 kgf.
The SAIJ80X65-30 features a rear adjusting screw that allows you to shorten the 65 mm nominal stroke by up to 30 mm, creating a usable travel window of 35-65 mm. The adjuster acts as a mechanical stop and does not function as a lock or brake.
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