Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-10 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 SAIJ80AX80-10
The AirTAC SAIJ80X80-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 80 mm stroke back by up to 10 mm. This creates a precise 70-80 mm usable travel window, enabling fine end-position tuning at commissioning without swapping the hardware or bolting on external stops. Delivering 2513 N of push force at 0.5 MPa, it handles robust actuation tasks while remaining dimensionally interchangeable per ISO 15552.
This variant features a SUS420J2 stainless steel rod for enhanced corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU is non-magnetic and will not support position switches. The rear adjuster acts purely as a travel stop for deceleration and positioning, not a lock, so the load will not hold without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-10 |
|---|---|
| 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 SAIJ80AX80-10
| 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 SAIJ80AX80-10 Is Used
Machine Setup & Changeover
Dial in the exact 70-80 mm end-stop during commissioning or product size changes without physically replacing the cylinder.
Variable End-Stop Actuation
Perfect for pressing or positioning tasks where the final stroke length needs occasional fine-tuning to accommodate material thickness variations.
Robust Positioning
Provides 2513 N of thrust at 0.5 MPa for heavy-duty automated assembly lines requiring precise physical stops.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-10 the Right Cylinder?
Select this 80 mm bore cylinder when your application requires 2513 N of push force at 0.5 MPa, stepping up from a 63 mm bore that provides 1559 N. An adjustable stroke is chosen over a fixed SAI model when you need variable end-stops for machine setup or product changeovers. To match this ISO 15552 replacement exactly, specify an 80 mm bore, 80 mm stroke, 10 mm adjustment, PT port threads, and no magnet.
For any stroke of 300 mm or more, you would need to account for side-load by adding an external guide, though this 80 mm stroke is short enough to manage comfortably. Remember that if your application requires true load-holding without live air, you must look to the SAIL or BSAI series, as the SAIJ adjuster is only a stop.
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 SAIJ80AX80-10 FAQ
At a 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjusting screw allows you to shorten the effective travel from the nominal 80 mm down to 70 mm, giving a 70-80 mm usable window. It acts as a physical stop to tune the end position and does not lock the load without continuous air pressure.
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