Airtac SAIJ80 Adjustable Cylinder SAIJ80AX290-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX290-10 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 SAIJ80AX290-10
The AirTAC SAIJ80X290-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 280-290mm usable travel window. Delivering 4523N of push force at 0.9 MPa, it handles demanding actuation with precision. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic sensors.
This unit uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads (G3/8). The rear adjuster screw acts strictly as a travel stop for commissioning end-position tuning; it does not lock the load without live air pressure. For load-holding requirements, consider SAIL or BSAI series cylinders.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX290-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX290-10 |
|---|---|
| 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 SAIJ80AX290-10
| 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 SAIJ80AX290-10 Is Used
Machine Changeover
Fine-tune the 280-290mm travel window during product size transitions to set new end positions rapidly without adding external physical stops.
Press Fit Tuning
Dial in the exact contact point for pressing operations, utilizing the 4523N push force while adjusting the rear stopper for material thickness variations.
Diversion Gates
Adjust the actuation length of sorting gates on a conveyor line by up to 10mm to accommodate different package dimensions on the fly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX290-10 the Right Cylinder?
Choose this 80mm bore when you need higher force than a 63mm cylinder provides (1559N push at 0.5 MPa) but less than the massive 801kgf output of a 100mm unit. The 10mm adjustment range is perfect for dialing in exact end-stops during machine setup or product changeover without swapping the physical cylinder. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Because the 290mm stroke approaches the upper limits for this bore size, the M20x1.5 rod and standard air cushions work together to decelerate the load, but an external guide is recommended to manage side loads on long unsupported travels. When replacing an ISO 15552 cylinder, verify the 80mm bore, 290mm stroke, 10mm adjustment, PT G3/8 port, and standard rod material.
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 SAIJ80AX290-10 FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 10mm, creating a 280-290mm usable travel window. It acts as a mechanical stop to fine-tune the end position at commissioning without changing the cylinder itself.
At the maximum operating pressure of 1.0 MPa, the 80mm bore generates a maximum push force of 513 kgf (5027N). At a standard 0.7 MPa, it provides 3518N of push force.
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