Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-50
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-50 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 SAIJ80BX60-50
The AirTAC SAIJ80X60-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the nominal 60 mm travel by up to 50 mm. This yields a highly versatile 10 to 60 mm usable travel window, letting you fine-tune end positions at commissioning without adding external stops. Built with a SUS304 stainless steel rod and PT tapered ports, it delivers 2513 N of push force at 0.5 MPa.\n\nUnlike a fixed-stroke SAI, this adjustable variant uses an external rear stopper screw to set the retract end position. The adjuster and the variable air cushions only decelerate the travel end; neither will hold the load without live air pressure. For position holding, you would need a SAIL or BSAI lock variant. It supports AirTAC CMSE reed and DMSE electronic sensors via grooves on both sides of the extruded aluminum barrel.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-50 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-50 |
|---|---|
| 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 SAIJ80BX60-50
| 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 SAIJ80BX60-50 Is Used
Machine Changeover
Dial in the exact retract distance from 10 to 60 mm during product size changeovers without swapping out the entire cylinder.
End-Position Tuning
Fine-tune the final end position during machine commissioning using the rear stopper screw to perfect the timing.
Adjustable Stopper
Use the cylinder as an adjustable mechanical stopper in automated assembly lines where part dimensions vary slightly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-50 the Right Cylinder?
Choose this 80 mm bore when your application requires around 2513 N of push force (or 2268 N pull) at 0.5 MPa. If you need less force, stepping down to a 63 mm bore yields 1559 N, whereas stepping up to a 100 mm bore provides 3927 N. The SAIJ80X60-50 is selected specifically when you need a variable end-stop for product changeovers rather than a fixed stroke.\n\nBecause the nominal stroke is 60 mm, the generous 50 mm adjustment range gives you a wide 10-60 mm setup window. Remember that the rear adjuster acts as a travel stop, not a locking brake. This cylinder uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. The 25 mm rod and M20x1.5 thread handle side loads well, but long unsupported strokes still require 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 SAIJ80BX60-50 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa, it can deliver up to 513 kgf.
The rear adjuster allows you to shorten the 60 mm nominal stroke by up to 50 mm, creating a usable travel window of 10 to 60 mm. The adjuster acts as a travel stop and does not lock the position without live air pressure.
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