Airtac SAIJ80 Adjustable Cylinder SAIJ80BX65-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX65-30 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 SAIJ80BX65-30
The AirTAC SAIJ80X65-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits fine-tuning the effective travel down to a 35-65 mm window from the 65 mm nominal length. Delivering 2513 N of push force at 0.5 MPa, it integrates a robust 25 mm carbon steel rod with an M20x1.5 thread to handle high side loads. This specific configuration uses a SUS304 stainless steel rod (code B) and PT tapered port threads, making it highly suitable for environments where moisture or minor corrosion is a concern.
Unlike fixed-stroke alternatives, this model allows you to dial in the exact retract end-position during commissioning without adding external stops. The extruded aluminum barrel includes sensor grooves on both sides, although this unit omits the magnet, meaning position detection via AirTAC CMSE reed or DMSE electronic sensors is not supported without modification. The rear screw acts purely as a travel stop and does not secure the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX65-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX65-30 |
|---|---|
| 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 SAIJ80BX65-30
| 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 SAIJ80BX65-30 Is Used
Machine Setup Calibration
Dial in the exact 35 to 65 mm end-stop during initial commissioning to perfect seating pressure without machining custom spacers.
Product Size Changeover
Quickly adjust the retract distance on packaging lines to accommodate varying carton lengths using the 30 mm trim screw.
Clamping Force Tuning
Fine-tune the travel limit to prevent over-travel and adjust clamping depth dynamically without swapping out the entire cylinder.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX65-30 the Right Cylinder?
Choose this 80 mm bore actuator when your application requires substantial thrust—such as 2513 N push at 0.5 MPa—but demands a compact 65 mm stroke with a 30 mm adjustment margin for product changeovers. If your force requirements are lower, stepping down to a 63 mm bore saves space and yields 1559 N, whereas stepping up to a 100 mm bore provides 3927 N for heavier duty cycles.
Because the stroke is under 300 mm, side-load stress on the 25 mm rod is manageable, though an external guide is always recommended for heavy radial loads. For load-holding without continuous air pressure, note that the SAIJ rear adjuster only decelerates the travel end; you should specify an SAIL air-released lock, a BSAI clamp-lock, or an external rod lock. This cylinder is dimensionally interchangeable per ISO 15552 and supports a mounting set of 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 SAIJ80BX65-30 FAQ
The nominal stroke is 65 mm, but the rear adjuster allows you to shorten the effective travel by up to 30 mm, creating a usable stroke window of 35 to 65 mm for precise end-position tuning.
At an operating pressure of 0.5 MPa, the SAIJ80X65-30 provides 2513 N of push force and 2268 N of pull force. At the maximum pressure of 1.0 MPa, it can deliver up to 513 kgf.
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