Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 260mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke260 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-20
The AirTAC SAIJ160X260-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 240-260 mm usable travel window, allowing you to dial back the nominal 260 mm stroke by up to 20 mm during commissioning without adding external stops. This 160 mm bore size generates a robust 10053 N pull force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
This variant uses a SUS304 stainless steel piston rod for superior corrosion resistance and ships with PT tapered port threads. The extruded aluminum barrel includes dual-side sensor grooves, and the cylinder supports a speed range of 30-500 mm/s. It features adjustable air cushions at both ends to decelerate the heavy moving load smoothly.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 260 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×260 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX260-20 Is Used
Heavy-Duty Press Tuning
Fine-tune the exact end-of-stroke pressing position on heavy machinery by dialing in the 20 mm adjustment window during setup.
Product Line Changeover
Quickly adapt the cylinder's effective travel to accommodate different sized products on a single conveyor line without swapping the actuator.
Variable End-Stop Positioning
Set precise retract positions for large material handling jigs where a fixed stroke cylinder would require external stopper blocks.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX260-20 the Right Cylinder?
Select this 160 mm bore cylinder when your application requires substantial force, delivering 10053 N of pull force at 0.5 MPa (or 18095 N at 0.9 MPa). If your setup needs less push force, stepping down to a 125 mm bore yields 5734 N of pull force at 0.5 MPa. Choose this adjustable-stroke SAIJ model over a fixed-stroke SAI when you need precise end-position tuning for product changeovers or variable end-stops on the fly.
Because the stroke is 260 mm, ensure proper external guiding to handle side loads, as even the 40 mm diameter rod can be stressed by long unsupported travel. Remember that the rear adjuster acts only as a mechanical travel stop and does not hold the load without live air pressure; for true load-holding, use an external rod lock or pilot-operated check valve. This model is dimensionally interchangeable per ISO 15552 and uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR mounts.
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 SAIJ160 Adjustable Cylinder SAIJ160BX260-20 FAQ
At 0.5 MPa, this 160 mm bore cylinder provides 10053 N of pull force and 14074 N of push force. At 0.9 MPa, the push force increases to 18095 N.
The rear adjuster screw allows you to shorten the effective stroke from the nominal 260 mm down to a minimum of 240 mm. This provides a 240-260 mm usable travel window for fine-tuning the end position at commissioning.
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