Airtac SAIJ80 Adjustable Cylinder SAIJ80BX550-10
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX550-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 550mm 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
- Stroke550 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 SAIJ80BX550-10
The AirTAC SAIJ80X550-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stopper screw that allows you to trim the effective stroke by up to 10 mm. This creates a precise 540-550 mm usable travel window, letting you dial in the retract end-position at commissioning without swapping out the unit.
This SKU features a SUS304 stainless steel rod for superior corrosion resistance and ships with PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and while this specific configuration omits the magnet, adding an -S variant enables AirTAC CMSE reed and DMSE electronic sensors for position feedback.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX550-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX550-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 550 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 SAIJ80BX550-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×550 | 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 SAIJ80BX550-10 Is Used
Variable End-Stop Tuning
Dial in the exact retract distance within a 540-550 mm window during machine commissioning to perfect end-of-stroke positioning without adding external mechanical stops.
Product Changeover
Quickly adapt a long-stroke production line to slightly different product lengths by turning the rear adjuster screw, reducing setup time between runs.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX550-10 the Right Cylinder?
Choose this 80 mm bore when 50 mm (982 N at 0.5 MPa) is too weak but 100 mm (3927 N at 0.5 MPa) is oversized. The 10 mm rear adjuster is ideal for fine-tuning a long 550 mm stroke during machine setup or product changeover, preventing the need for external stop blocks. Keep in mind the rear adjuster acts only as a travel stop; it does not hold the load without live air. For position holding, consider the SAIL or BSAI series. Because the stroke is 550 mm, the 25 mm rod and M20x1.5 thread will still experience side-loading forces, so an external guide rail is recommended to prevent premature wear. 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 SAIJ80BX550-10 FAQ
At 0.9 MPa, the push force increases to 4523 N.
The SAIJ80X550-10 features a rear adjusting screw that lets you shorten the nominal 550 mm stroke by up to 10 mm. This provides a usable travel window of 540 to 550 mm, allowing you to set the exact retract end-position without changing the cylinder.
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Standard models are processed and dispatched in 3-5 business days.
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