Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 155mm 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
- Stroke155 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-10
The AirTAC SAIJ80X155-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5MPa, featuring a standard carbon steel piston rod and PT tapered port threads. By integrating an external stopper screw, this model provides a usable travel window of 145-155mm, enabling precise end-position tuning without changing the cylinder body.
This adjustable-stroke design is ideal for fine-tuning retract positions during commissioning or product changeovers. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR configurations.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 155 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 SAIJ80X155-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×155 | 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 SAIJ80X155-10 Is Used
Machine Setup Calibration
Dial in the exact 145-155mm retract position during initial machine commissioning to achieve perfect alignment without adding external physical stops.
Product Size Changeover
Quickly adjust the end-of-stroke position by up to 10mm when a production line switches to a similar but slightly different product variant.
End-Stop Trimming
Fine-tune the final resting position of a tooling head to compensate for mechanical wear or slight material thickness variations over time.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-10 the Right Cylinder?
Select this 80mm bore cylinder when an application requires substantial thrust—delivering 2513N push and 2268N pull at 0.5MPa—along with a 145-155mm adjustable travel window. If your setup demands less force, stepping down to a 63mm bore yields 1559N push force, while a 100mm bore offers 3927N for heavier loads. The rear adjuster acts solely as a travel stop and does not hold the load without live air; for fail-safe load holding, consider an AirTAC SAIL or BSAI cylinder.
Because the 155mm stroke is below the 300mm threshold, side-load stress on the 25mm rod and M20x1.5 rod thread is moderate, though external guidance is still recommended for optimal longevity. This SKU is dimensionally interchangeable per ISO 15552 standards, using a PT port thread and lacking the -S magnet option.
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 SAIJ80X155-10 FAQ
At 0.5MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At the maximum 1.0MPa pressure, it can deliver up to 513kgf.
The rear adjuster screw allows you to trim the effective stroke back by up to 10mm, creating a usable travel window of 145-155mm. The adjuster functions as a mechanical stop and does not lock the load without continuous air pressure.
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