Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-100 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 SAIJ80AX475-100
The AirTAC SAIJ80X475-100 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa and features a 475mm nominal stroke that can be fine-tuned down by up to 100mm, yielding a highly versatile 375-475mm usable travel window. This adjustability allows operators to dial in exact retract end positions during commissioning or product changeovers without swapping out the entire actuator.
Built with an SUS420J2 stainless steel rod (option A) and PT tapered port threads, this 80mm bore unit handles demanding environments while resisting corrosion. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. Because the stroke reaches 475mm, the 25mm rod diameter should be paired with an external guide to prevent excessive side-loading on long unsupported extensions.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-100 |
|---|---|
| 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 SAIJ80AX475-100
| 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 SAIJ80AX475-100 Is Used
Variable End-Stop Positioning
Ideal for packaging lines where the retract position must be shifted precisely between different carton depths, utilizing the 375-475mm travel window without mechanical rework.
Machine Changeover Calibration
Enables operators to fine-tune the stroke during product family transitions, using the rear 100mm adjustment screw to set exact stopping points rapidly.
Large Format Material Handling
Provides the 2513N push force necessary to move heavy workpieces on extended 475mm strokes, while the SUS420J2 rod resists moisture in industrial environments.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-100 the Right Cylinder?
Selecting this 80mm bore actuator makes sense when an application demands high thrust combined with variable retract stops. If 2513N of push force at 0.5 MPa exceeds your requirement, stepping down to a 63mm bore yields 1559N and saves space; conversely, moving up to a 100mm bore provides 3927N for heavier loads. The SAIJ80X475-100 is chosen over a fixed-stroke SAI cylinder when machinery requires frequent product-size changeovers, allowing the rear screw to trim the 475mm stroke back to as little as 375mm on the fly.
As a dimensionally interchangeable ISO 15552 cylinder, it matches standard mounting footprints using a reduced set of accessories: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Note that the rear adjuster functions strictly as a travel stop and does not hold the load without live air; for fail-safe load holding, consider an AirTAC SAIL or BSAI lock cylinder. Operating speed ranges from 30-800mm/s, regulated by adjustable air cushions at both ends.
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 SAIJ80AX475-100 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At a maximum 0.9 MPa, the push force increases to 4523N.
The rear adjuster acts as an external stopper that shortens the effective travel from the 475mm nominal stroke, creating a usable 375-475mm window. It sets the end position but does not lock the load without continuous air pressure.
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