Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30 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 SAIJ80BX80-30
The AirTAC SAIJ80X80-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 50-80 mm usable travel window from its 80 mm nominal stroke. Delivering 2513 N of push force at 0.5 MPa, it handles substantial pneumatic workloads. This unit uses a SUS304 stainless steel rod for superior corrosion resistance and includes PT tapered ports.
Because the rear screw acts purely as a mechanical stop, it does not hold the load without live air pressure. For load-holding requirements, consider an external rod lock or the related BSAI clamp-lock series. This profile cylinder supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30 |
|---|---|
| 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 SAIJ80BX80-30
| 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 SAIJ80BX80-30 Is Used
End-Position Tuning
Dial in the exact 50-80 mm retract distance during machine commissioning to accommodate varying material thicknesses without adding external stops.
Product Changeover
Quickly adjust the stroke by up to 30 mm on the production line when switching between different product sizes, minimizing downtime.
Corrosive Environments
Leverage the SUS304 stainless steel rod for pneumatic clamping and positioning tasks in washdown or mildly corrosive industrial settings.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30 the Right Cylinder?
Choose this 80 mm bore when an application requires more thrust than a 63 mm bore provides, stepping up from 1559 N to 2513 N at 0.5 MPa. The 30 mm adjustment range is ideal for fine-tuning end positions during commissioning or product changeovers without swapping cylinders. To replace this ISO 15552 cylinder, match the 80 mm bore, 80 mm stroke, PT ports, and the specified mounting hardware.
Although 80 mm is a moderate stroke, the 25 mm rod diameter and M20x1.5 rod thread provide excellent side-load capacity. For any application approaching the 1500 mm maximum standard stroke, always use an external guide to support the load.
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 SAIJ80BX80-30 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 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the effective travel from the 80 mm nominal stroke down to 50 mm. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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