Airtac SAIJ80 Adjustable Cylinder SAIJ80X240-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X240-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X240-10S
The AirTAC SAIJ80X240-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa and features a 240mm nominal stroke that can be fine-tuned down by 10mm, providing a precise 230-240mm usable travel window. The extruded aluminum barrel includes sensor grooves on both sides, and this -S variant includes a magnet for position detection.
This model uses a 25mm carbon steel rod with an M20x1.5 thread, paired with a PT tapered port (G3/8). It features variable air cushions at both ends to decelerate the load smoothly. The rear adjuster acts strictly as a travel stop for end-position tuning, not a lock, meaning it cannot hold a load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X240-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X240-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 240 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 SAIJ80X240-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×240 | 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 SAIJ80X240-10S Is Used
Machine Changeover
Dial in the 230-240mm travel window during product size changes without physically swapping the cylinder or adding external stopper blocks.
End-Position Tuning
Fine-tune the retract end-position by up to 10mm during commissioning to perfect the seating of parts under the 2513N push force.
Assembly Line Indexing
Use the magnetic piston with CMSE / DMSE sensors to verify the adjusted travel end, ensuring precise indexing on automated assembly lines.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X240-10S the Right Cylinder?
Choose this 80mm bore cylinder when an application requires 2513N of push force at 0.5 MPa and the ability to dial in exact end-of-stroke positions during commissioning. If your force requirements are lower, stepping down to a 63mm bore yields 1559N; if you need more clamping power, a 100mm bore provides 3927N. The adjustable 10mm window is perfect for product changeovers, eliminating the need to swap cylinders or add external stops.
For ISO 15552 replacement matching, use bore 80, stroke 240, adjustment 10, port PT (G3/8), and a magnet (-S). Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the nominal stroke is 240mm, standard guidance is sufficient, but for any stroke over 300mm, an external guide is recommended to handle side loads. For load-holding without live pressure, consider the SAIL or BSAI series instead.
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 SAIJ80X240-10S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 10mm, creating a 230-240mm usable travel window. It acts as a mechanical stop to fine-tune the end position and does not lock the load without live air pressure.
At 0.5 MPa, it provides 2513N of push force and 2268N of pull force. At the maximum operating pressure of 1.0 MPa, the push force reaches 5026N.
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