Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10S
The AirTAC SAIJ80X300-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a carbon steel piston rod and a built-in magnet for CMSE and DMSE sensors. The integrated rear stopper allows you to dial back the nominal 300 mm travel by up to 10 mm, creating a precise 290-300 mm usable window for fine-tuning the retract end position without adding external stops.
Delivering 2513 N of pull force at 0.5 MPa and 4523 N of push force at 0.9 MPa, this 80 mm bore profile cylinder handles robust loads. It uses a G3/8 PT port and includes adjustable air cushions at both ends to manage kinetic energy. Because the 300 mm stroke is unsupported, the M20x1.5 rod thread and 25 mm rod diameter handle side loads well, but an external guide rail is recommended for heavy loads.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 300 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 SAIJ80X300-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×300 | 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 SAIJ80X300-10S Is Used
Product Changeover
Dial in the 290-300 mm retract position on packaging lines when switching carton sizes, using the rear screw to match new formats instantly.
End-Stop Tuning
Fine-tune the final resting position of a press or clamping fixture during commissioning without machining external stop blocks.
Diverter Positioning
Set precise retract limits for sorting arms on conveyors, ensuring the arm clears passing products by exactly 10 mm when retracted.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X300-10S the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI cylinder when your machine setup requires variable end-stops or product changeovers need exact retract positioning without physically swapping the actuator. If your application needs less force, stepping down to a 63 mm bore yields 1402 N of pull at 0.5 MPa; if you need more power, a 100 mm bore provides 3681 N of pull.
The rear adjuster acts purely as a mechanical travel stop to set deceleration, not as a lock; it will not hold the load without live air pressure. For true fail-safe load-holding, consider the SAIL or BSAI series. This SAIJ80X300-10-S is dimensionally interchangeable with ISO 15552 cylinders and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ80X300-10S FAQ
The rear adjuster lets you shorten the effective 300 mm stroke by up to 10 mm, providing a 290-300 mm travel window. It acts as a mechanical stop to set the end position and works with the air cushion to manage deceleration.
At 0.5 MPa it provides 2513 N of pull force and 2268 N of push force. At 0.9 MPa, the push force increases to 4523 N.
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