Airtac SAIJ80 Adjustable Cylinder SAIJ80X350-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X350-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 350mm 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
- Stroke350 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X350-10
The AirTAC SAIJ80X350-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 2513N of push force at 0.5 MPa. It features a carbon steel piston rod and a PT tapered G3/8 port. The built-in adjustment screw provides a usable travel window of 340 to 350 mm, allowing you to trim the effective stroke by up to 10 mm without adding external stops.
This 80mm bore actuator utilizes variable air cushions at both ends to decelerate the load smoothly. The rear adjuster functions strictly as a travel stop for fine-tuning end positions during commissioning; it does not hold the load without live air pressure. For load-holding requirements, an external pilot-operated check valve or a related SAIL locking cylinder is required.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X350-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X350-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 350 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 SAIJ80X350-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×350 | 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 SAIJ80X350-10 Is Used
Machine Changeover
Dial in the exact 340-350mm end-stop during product size changes without swapping the cylinder or adding shims.
Diversion Tuning
Fine-tune the stroke length on a conveyor diverter arm at commissioning to ensure packages are pushed accurately.
Press Positioning
Adjust the rear stopper on a light assembly press to accommodate varying material thicknesses on the fly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X350-10 the Right Cylinder?
Select this 80mm bore model when an application demands high thrust (2513N push at 0.5 MPa) alongside precise end-position tuning; if lower force is acceptable, stepping down to a 63mm bore yields 1559N. The adjustable stroke is ideal for machine setups requiring variable end stops during product changeovers rather than relying on a fixed-stroke SAI cylinder. When replacing an ISO 15552 actuator, match the 350mm stroke, 10mm adjustment, G3/8 PT port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 350mm stroke is relatively long, an external guide is recommended to prevent excessive rod side-loading and premature wear.
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 SAIJ80X350-10 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 513 kgf.
The rear adjuster screw allows you to shorten the nominal 350mm stroke by up to 10mm, creating a 340-350mm usable travel window. This stopper only sets the end position and does not lock the load without continuous air pressure.
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