Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 105mm 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
- Stroke105 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100S
The AirTAC SAIJ80X105-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 5-105 mm from its 105 mm nominal stroke. Delivering a pull force of 2268 N at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and features a PT tapered port thread.
This adjustable-stroke design allows you to fine-tune the retract end position during commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches for precise position feedback.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 105 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 SAIJ80BX105-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×105 | 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 SAIJ80BX105-100S Is Used
Machine Setup & Commissioning
Fine-tune the 5-105 mm retract end position precisely during initial machine setup without needing to physically swap out cylinders or bolt on external stopper blocks.
Product Size Changeovers
Rapidly adapt the travel window on automated lines handling varying product sizes, using the 100 mm adjustment range to accommodate multiple formats on a single station.
Variable End-Stop Positioning
Dial in the exact end-of-stroke location for delicate operations, relying on the rear stopper and adjustable air cushions to decelerate the load accurately.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100S the Right Cylinder?
When sizing this model, stepping down to a 63 mm bore yields a 1402 N pull at 0.5 MPa, while stepping up to a 100 mm bore provides 3681 N. The 100 mm adjustment range is ideal for applications requiring extreme flexibility in end-stop positioning during product changeovers. Unlike a fixed-stroke SAI cylinder, this rear screw mechanism allows variable end-position tuning at commissioning.
Remember that the rear adjuster acts as a travel stop to decelerate the stroke, not a lock; it will not hold the load without live air pressure. For secure load-holding without continuous air, consider an AirTAC SAIL or BSAI cylinder. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Because the stroke is 105 mm, standard external guides are not strictly required, but the robust 25 mm rod and M20x1.5 thread handle high side loads effectively.
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 SAIJ80BX105-100S FAQ
The rear adjuster screw allows you to trim the effective travel back by up to 100 mm from the 105 mm nominal stroke, providing a usable window of 5 to 105 mm. This stopper sets the end position and works with the air cushions to decelerate the load, but it is not a lock and will not hold the load without live air pressure.
At 0.5 MPa, the SAIJ80X105-100-S provides 2513 N of push force and 2268 N of pull force. The standard speed range for this bore size is 30-800 mm/s, and it operates safely within a pressure range of 0.15 to 1.0 MPa.
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