Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-50
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 200mm 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
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-50
The AirTAC SAIJ80X200-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 2513N of push force at 0.5 MPa. Its defining feature is the 50mm adjustment range, which creates a 150-200mm usable travel window. This allows precise end-position tuning during commissioning without swapping out the entire actuator or adding external stops.
Built with a carbon steel rod and a PT tapered port, it utilizes an extruded aluminum barrel with sensor grooves on both sides. The rear screw acts purely as a travel stop for product changeovers, not a load-holding lock; maintaining position requires live air, so a SAIL or BSAI variant is needed for dead-air holding. Mounting options are restricted to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-50 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 200 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 SAIJ80X200-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×200 | 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 SAIJ80X200-50 Is Used
Variable End-Stop Positioning
Dial in the precise 150-200mm travel window during machine commissioning to accommodate multiple product sizes without physically changing the cylinder.
Product Changeover Diverter
Quickly adjust the retract stop on a sorting line to handle varying package lengths, ensuring accurate routing without external mechanical stops.
Adjustable Pressing Station
Fine-tune the pressing depth on an assembly line by turning the rear adjuster, allowing the 2513N thrust to be applied at exactly the required position.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-50 the Right Cylinder?
Select this 80mm bore when an application demands high thrust but variable end-stops, such as accommodating different product sizes on a packaging line. If the 2513N push force at 0.5 MPa exceeds requirements, stepping down to a 63mm bore yields 1559N. Conversely, heavier loads require the 100mm bore at 3927N. Unlike a fixed SAI cylinder, this model's 50mm adjuster enables rapid setup changes. To match this ISO 15552 footprint, specify the 80mm bore, 200mm stroke, 50mm adjustment, PT port, and mounting style. Since the stroke is 200mm, side-load is minimal, but external guides remain recommended for unsupported loads.
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 SAIJ80X200-50 FAQ
The rear adjuster allows you to shorten the nominal 200mm stroke by up to 50mm, providing a usable travel window of 150-200mm. The adjuster acts as a mechanical stop to fine-tune the end position; it does not lock the load without live air pressure.
At 0.5 MPa operating pressure, this 80mm bore cylinder generates 2513N of push force and 2268N of pull force. It can reach a maximum push force of 4523N at 0.9 MPa.
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