Airtac SAIJ80 Adjustable Cylinder SAIJ80X290-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X290-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 290mm 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
- Stroke290 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X290-10S
The AirTAC SAIJ80X290-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 10 mm. This creates a precise 280-290 mm usable window, ideal for fine-tuning end positions at commissioning without swapping hardware. It delivers 3518 N of push force and 2268 N of pull force at 0.7 MPa.
Equipped with a magnet for position sensing, this unit works seamlessly with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, while the M20x1.5 piston rod and PT tapered ports ensure robust load handling. The rear adjuster acts purely as a mechanical stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X290-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X290-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 290 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 SAIJ80X290-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×290 | 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 SAIJ80X290-10S Is Used
End-Position Tuning
Dial in the exact 280-290 mm retract stop during machine commissioning to perfect product seating without adding external spacers.
Product Changeover
Quickly adjust the travel end by 10 mm on the rear screw to accommodate slightly different workpiece sizes on the same line.
Variable End Stops
Set precise physical stops for pushing loads, relying on the 3518 N thrust at 0.7 MPa to move heavy pallets reliably.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X290-10S the Right Cylinder?
Select this 80 mm bore when an application requires high thrust, stepping up from a 63 mm bore that provides 2182 N at 0.5 MPa. The adjustable 10 mm trim window is chosen over a fixed-stroke SAI when you need variable end-stops for product changeovers. To replace an ISO 15552 cylinder, match the 80 mm bore, 290 mm stroke, PT port threads, and the -S magnet requirement. For load-holding without live air, consider the SAIL or BSAI series instead.
Because the stroke is 290 mm, the extended piston rod is subject to increased side loads. Always use an external guide rail to prevent rod damage and ensure smooth operation. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
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 SAIJ80X290-10S FAQ
A rear adjusting screw lets you shorten the nominal 290 mm stroke by up to 10 mm, providing a usable travel window of 280-290 mm. This mechanical stopper sets the end position but does not lock or hold the load without continuous air pressure.
At 0.7 MPa, the SAIJ80X290-10-S generates 3518 N of push force and 2268 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers a push force of 513 kgf.
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