Airtac SAIJ80 Adjustable Cylinder SAIJ80AX225-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX225-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 225mm 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
- Stroke225 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX225-30
The AirTAC SAIJ80X225-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits precise end-position tuning. With a nominal 225 mm stroke and a 30 mm adjustment range, it yields a usable travel window of 195-225 mm to accommodate product changeovers without adding external stops. It delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa, fitting heavy-duty handling tasks.
This variant incorporates a SUS420J2 stainless steel piston rod (option A) for enhanced corrosion resistance and carries a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides for track-mounting position detection. The rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure; for position holding, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX225-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX225-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 225 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 SAIJ80AX225-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×225 | 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 SAIJ80AX225-30 Is Used
Variable End Stops
Dial in the exact retract position within the 195-225 mm range during machine commissioning to accommodate varying part dimensions without swapping cylinders.
Product Changeover
Quickly adjust the rear stopper screw on packaging lines when switching between different package sizes, reducing downtime and mechanical retooling.
Heavy-Duty Forming
Leverage the 2513 N push force at 0.5 MPa for pressing or holding heavy components, fine-tuning the travel limit to prevent over-travel.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX225-30 the Right Cylinder?
Select this 80 mm bore when a 50 mm bore yields insufficient thrust (982 N push at 0.5 MPa) or a 100 mm bore is excessive (3927 N push at 0.5 MPa). The adjustable stroke is ideal for commissioning setups where the exact end-of-stroke position must be dialed in within the 195-225 mm window. It operates at speeds of 30-800 mm/s and uses a G3/8 port.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 225 mm stroke, 30 mm adjustment, PT port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting interfaces. Because this is a 225 mm stroke, the 25 mm rod diameter and M20x1.5 rod thread provide rigidity, but an external guide is recommended for heavy side loads. For load-holding without air pressure, use an external rod lock or pilot-operated check valve.
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 SAIJ80AX225-30 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides a push force of 2513 N and a pull force of 2268 N. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm, providing a usable travel window of 195-225 mm from the nominal 225 mm stroke. The adjuster acts as a mechanical stop for end-position tuning and is not a locking device.
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