Airtac SAIJ80 Adjustable Cylinder SAIJ80BX55-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX55-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 55mm 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
- Stroke55 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX55-10
The AirTAC SAIJ80X55-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window between 45 and 55 mm. Delivering a robust 2513 N push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads.
This adjustable-stroke design eliminates the need to swap cylinders or add external stops during machine commissioning. It utilizes a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX55-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX55-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 55 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 SAIJ80BX55-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×55 | 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 SAIJ80BX55-10 Is Used
Machine Commissioning
Fine-tune the 45-55 mm travel window during setup to dial in exact end positions without swapping hardware.
Product Changeover
Quickly adjust the stroke stop to accommodate varying package sizes on a packaging line.
Variable End-Stops
Use the 10 mm rear adjuster to set precise retract limits for testing and assembly fixtures.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX55-10 the Right Cylinder?
Choose this 80 mm bore when your application requires the 2513 N push force at 0.5 MPa, stepping up from a 63 mm bore that provides 1559 N. The 10 mm adjustment range is ideal for variable end-stops and product changeovers, offering setup flexibility that a fixed-stroke SAI cannot match. Because the rear adjuster acts only as a travel stop and the air cushions handle deceleration, this cylinder will not hold a load without live air pressure; for true load-holding, consider the SAIL or BSAI series. The 25 mm rod and M20x1.5 thread handle side loads well, but any stroke of 300 mm or more requires an external guide.
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 SAIJ80BX55-10 FAQ
The rear adjuster allows you to shorten the nominal 55 mm stroke by up to 10 mm, creating a usable travel window of 45 to 55 mm. This stopper sets the end position but does not lock the load without live air.
At 0.5 MPa operating pressure, the 80 mm bore provides 2513 N of push force and 2268 N of pull force. It operates at speeds between 30 and 800 mm/s.
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Covers non-human-caused product damage.
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