Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 475mm 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
- Stroke475 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-30
The AirTAC SAIJ80X475-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers 2513N of push force at 0.5MPa and provides a usable travel window of 445 to 475mm, letting you trim the retract position by up to 30mm during commissioning.
This unit is configured with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads with a G3/8 connection. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to add CMSE reed or DMSE electronic switches if needed.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 475 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 SAIJ80BX475-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×475 | 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 SAIJ80BX475-30 Is Used
Product Changeover
Dial in the 445-475mm travel window to accommodate different package sizes on a packaging line without swapping hardware.
Machine Setup
Fine-tune the end-of-stroke position during initial commissioning to perfectly time the 2513N push force against the workpiece.
Variable End Stops
Use the 30mm rear adjustment screw to modify the retract distance for flexible manufacturing processes on shared equipment.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-30 the Right Cylinder?
Choose this 80mm bore when an application requires substantial thrust, such as 2513N push or 2268N pull at 0.5MPa. If your force requirements are lower, stepping down to a 63mm bore yields 1559N push force. The adjustable 445-475mm window is ideal for product changeovers, whereas a fixed SAI cylinder locks you into one exact dimension.
Because the 475mm stroke is relatively long, the 25mm rod should be paired with an external guide to prevent excessive side-loading. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for fail-safe load holding, consider a SAIL or BSAI cylinder. This SAIJ model supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR.
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 SAIJ80BX475-30 FAQ
At 0.5MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7MPa, the push force increases to 3518N.
The rear adjuster screw allows you to shorten the nominal 475mm stroke by up to 30mm, creating a 445-475mm travel window. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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