Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-20
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 160mm 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
- Stroke160 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-20
The AirTAC SAIJ80X160-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 25mm piston rod with an M20x1.5 thread and delivers 2513N of push force at 0.5MPa, scaling up to 4523N at 0.9MPa. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position feedback integration.
Equipped with a 20mm adjustment range, this model creates a usable travel window between 140mm and 160mm. This built-in stopper lets you fine-tune the retract end position at commissioning without adding external stops. The PT tapered G3/8 port ensures a tight pneumatic seal, and the adjustable air cushions at both ends manage end-of-stroke deceleration.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 160 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 SAIJ80X160-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×160 | 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 SAIJ80X160-20 Is Used
Machine Setup Calibration
Dial in the exact 140-160mm travel window during commissioning to perfectly time machine cycles without machining custom external spacers.
Product Size Changeover
Quickly adapt the retract end-stop on packaging lines when switching between different product sizes, using the 20mm rear adjustment screw.
Variable End-Stop Positioning
Achieve precise end-position tuning on assembly fixtures where the final retract distance must be tweaked to meet strict tolerances.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-20 the Right Cylinder?
Choose this 80mm bore when an application requires substantial thrust, such as the 2805N push force available at 0.7MPa. If your process demands less force, stepping down to a 63mm bore yields 2182N at the same pressure. The 20mm adjustment range is ideal for product changeovers on a line, allowing you to dial in the exact 140-160mm travel window without swapping the cylinder.
This SAIJ model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. The rear adjuster acts purely as a travel stop and does not hold the load without live air; for fail-safe load holding, consider an AirTAC SAIL or BSAI cylinder. Since this is a 160mm stroke, the 25mm rod handles standard side loads, 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 SAIJ80X160-20 FAQ
At 0.5MPa it provides 2513N of push force and 2268N of pull force. At the maximum operating pressure of 1.0MPa, it delivers up to 513kgf of push force.
The 160mm nominal stroke can be shortened by up to 20mm via a rear adjusting screw, creating a usable travel window of 140-160mm. This allows you to fine-tune the end position at commissioning without replacing the cylinder.
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