Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-50
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-50
The AirTAC SAIJ80X230-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window from 180 to 230 mm. Delivering 2513 N of push force at 0.5 MPa, it provides robust actuation for demanding setups. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position monitoring.
This variant uses a SUS420J2 stainless steel rod for improved corrosion resistance and features PT tapered G3/8 ports. The rear adjuster acts as a mechanical stop to set the retract end-position without requiring external stops. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-50 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 230 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 SAIJ80AX230-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×230 | 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 SAIJ80AX230-50 Is Used
Machine Changeover
Dial in the 180-230 mm travel window during product size transitions without physically swapping the actuator or adding external stopper blocks.
End-Position Tuning
Use the 50 mm rear adjustment screw to precisely set the retract end-position during commissioning, compensating for mechanical tolerances.
Corrosive Environments
The SUS420J2 stainless steel rod provides an extra layer of defense for manufacturing cells exposed to moisture or mild chemicals.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-50 the Right Cylinder?
Choose this 80 mm bore when your application requires more thrust than the 50 mm bore (982 N push at 0.5 MPa) but less than the 100 mm bore (3927 N). The 50 mm adjustment range is ideal for product changeovers, letting you dial in the exact end-stop during commissioning rather than swapping cylinders. The 25 mm rod and M20x1.5 thread handle high side loads, but for a 230 mm stroke, an external guide is still recommended to prevent premature seal wear.
Because the rear adjuster is a travel stop and not a locking device, this cylinder cannot hold a load without live air pressure. For fail-safe load holding, consider the SAIL or BSAI series. To replace an ISO 15552 cylinder, match the 80 mm bore, 230 mm stroke, 50 mm adjustment, PT G3/8 port, and your required mounting interface.
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 SAIJ80AX230-50 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. It can reach up to 4523 N push at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke by up to 50 mm. This creates a usable travel window of 180 to 230 mm for fine-tuning the retract position.
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