Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 220mm 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
- Stroke220 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-30
The AirTAC SAIJ80X220-30 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 220 mm stroke that can be fine-tuned down by up to 30 mm, giving you a precise 190-220 mm usable travel window during commissioning. Delivering 2513 N of push force at 0.5 MPa, it handles demanding positioning tasks with ease.
This extruded aluminum profile cylinder features a 25 mm carbon steel piston rod and an M20x1.5 rod thread, offering robust resistance against side loads. It uses a PT tapered G3/8 port and includes variable air cushions at both ends to decelerate the load smoothly. The rear adjustment screw acts purely as a mechanical stop to set the end position, meaning it will not hold the load safely without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 220 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 SAIJ80X220-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×220 | 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 SAIJ80X220-30 Is Used
Product Changeovers
Quickly adjust the 190-220 mm travel window during format size changes on packaging lines without replacing hardware.
End-Position Tuning
Dial in the exact retract stop during machine commissioning to perfect part ejection and placement accuracy.
Variable Stops
Set precise mechanical end-stops for diverter arms or gating mechanisms handling heavier loads on material handling conveyors.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X220-30 the Right Cylinder?
Select this 80 mm bore when an application requires more thrust than a 63 mm cylinder (which provides 1559 N push at 0.5 MPa) but without stepping up to the larger 100 mm size. The adjustable 190-220 mm window is ideal for product changeovers on a line, allowing operators to dial in the exact retract distance without swapping out the cylinder or adding external stops. For load-holding without continuous air pressure, this cylinder is insufficient; you should explore the SAIL (air-released lock) or BSAI (clamp-lock) variants instead.
To match this ISO 15552 dimensionally interchangeable cylinder for a replacement, verify the 80 mm bore, 220 mm stroke, 30 mm adjustment range, G3/8 PT port, and mounting style. SAIJ supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the stroke is 220 mm, ensure proper external guiding to prevent excessive rod side-loading. Note that this specific SKU lacks a magnet, so it will not work with CMSE or DMSE sensors without a -S suffix model.
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 SAIJ80X220-30 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 pressure, it can deliver up to 513 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from 220 mm down to 190 mm. It sets the travel end and relies on the air cushion for deceleration, but it does not lock or hold the load without live air pressure.
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