Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-30S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX475-30S 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke475 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-30S
The AirTAC SAIJ80X475-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 445 to 475 mm. The integrated -S magnet enables position sensing with AirTAC CMSE reed or DMSE electronic solid-state switches fitted into the dual sensor grooves.
This specific configuration features a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and utilizes PT tapered port threads. Because the stroke reaches 475 mm, the M20x1.5 rod thread and 25 mm rod diameter should be paired with an external guide to manage side loading on the extended axis.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-30S |
|---|---|
| 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-30S
| 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 SAIJ80AX475-30S Is Used
Variable End-Stop Tuning
Dial in the exact retract distance within the 445-475 mm window during machine setup, allowing precise positioning without machining external stopper blocks.
Product Size Changeover
Quickly adapt the cylinder's effective stroke on packaging lines when transitioning between different product sizes, minimizing downtime.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX475-30S the Right Cylinder?
The 30 mm adjustment range is ideal for fine-tuning the retract end position during machine commissioning or product changeovers without swapping hardware. To match this exact configuration for an ISO 15552 replacement, specify an 80 mm bore, 475 mm stroke, PT ports, SUS420J2 rod material, a magnet for CMSE/DMSE sensors, and the 30 mm adjuster.
Keep in mind the rear adjuster acts purely as a travel stop and does not hold the load without live air pressure. For dead-load holding, consider an AirTAC SAIL pneumatic lock or an external rod lock. Furthermore, with a 475 mm stroke, supporting the load with an external linear guide is critical to prevent excessive side loads on the rod. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80AX475-30S FAQ
At 0.7 MPa, the push force increases to 3518 N.
The rear adjusting screw acts as a mechanical stop that trims the effective stroke. For this 475 mm nominal stroke model, you can reduce the travel by up to 30 mm, resulting in a usable adjustable window of 445 to 475 mm.
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