Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-20
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 60mm 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
- Stroke60 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-20
The AirTAC SAIJ80X60-20 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. By turning the external stopper screw, you can trim the 60 mm nominal stroke back by up to 20 mm, creating a precise 40-60 mm usable travel window for exact end-position tuning. Equipped with a SUS304 stainless steel rod and PT tapered ports, it delivers a robust 2268 N pull force at 0.5 MPa.
This adjustable design eliminates the need to swap cylinders or bolt on external stops during machine commissioning or product changeovers. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, while the variable air cushions at both ends ensure smooth deceleration. Remember, the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 60 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 SAIJ80BX60-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×60 | 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 SAIJ80BX60-20 Is Used
Machine Changeovers
Dial in the 40-60 mm travel window during product size changeovers to set new end positions without swapping out the entire cylinder assembly.
End-Stop Calibration
Fine-tune the retract end-position at machine commissioning using the rear screw, eliminating the need to add external mechanical stops.
Pressing Operations
Leverage the 2513 N push force at 0.5 MPa for light pressing or forming tasks where the exact bottoming position must be adjusted on the fly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-20 the Right Cylinder?
Choose this 80 mm bore when your application requires substantial force, offering 2513 N push and 2268 N pull at 0.5 MPa. If your setup needs less force, stepping down to a 63 mm bore provides 1559 N push, whereas moving up to a 100 mm bore yields 3927 N push. The 40-60 mm adjustable travel window is perfect for applications requiring variable end-stops or fine-tuning at commissioning without replacing the entire cylinder.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 60 mm stroke, 20 mm adjustment range, PT G3/8 ports, and your preferred mounting style. SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For load-holding requirements without live air pressure, consider the SAIL or BSAI series, as this adjuster is strictly a stop, not a lock.
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 SAIJ80BX60-20 FAQ
The rear adjuster screw allows you to shorten the 60 mm nominal stroke by up to 20 mm, providing a usable travel window of 40 to 60 mm. It acts as a mechanical stop to set the exact end position.
At 0.5 MPa operating pressure, it provides 2513 N of push force and 2268 N of pull force. At 0.7 MPa, the push force increases to 3518 N.
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