Airtac SAIJ80 Adjustable Cylinder SAIJ80X180-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X180-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 180mm 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
- Stroke180 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X180-10S
The AirTAC SAIJ80X180-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the retract position. It provides a usable travel window of 170-180 mm, letting you dial in the exact end-stop at commissioning without adding external stops. Built with an extruded aluminum barrel and a carbon steel rod, it delivers a robust 2513 N push force at 0.5 MPa.
This adjustable-stroke model includes a magnetic piston (-S) for electronic or reed switch sensing, working seamlessly with AirTAC CMSE and DMSE sensors. The rear adjuster acts purely as a travel stop to set deceleration and end-position, meaning it will not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X180-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X180-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 180 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 SAIJ80X180-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×180 | 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 SAIJ80X180-10S Is Used
Product Changeover
Shift the 170-180 mm end-stop quickly during product size changes on a packaging line without physically replacing the cylinder.
End-Position Tuning
Fine-tune the retract stroke at machine commissioning to achieve exact positioning without adding external mechanical stops.
Machine Setup
Use the 10 mm rear adjustment window to dial in the exact retract distance during initial equipment assembly and testing.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X180-10S the Right Cylinder?
Choose this 80 mm bore when your application requires higher force than a 63 mm cylinder (1559 N push at 0.5 MPa) but you want to avoid the larger footprint of a 100 mm unit. The 10 mm adjustment range is ideal for product changeovers on a line, allowing you to shift the end-position slightly without swapping out the entire cylinder for a fixed-stroke SAI variant. It features a PT tapered port, an M20x1.5 rod thread, and operates at speeds of 30-800 mm/s.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 180 mm stroke, 10 mm adjustment, PT port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Because the stroke is under 300 mm, side-load concerns are minimal, but long unsupported loads should still use an external guide.
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 SAIJ80X180-10S FAQ
At 0.5 MPa, this 80 mm bore cylinder provides a push force of 2513 N and a pull force of 2268 N. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke by up to 10 mm, creating a usable travel window of 170-180 mm. It sets the end-position but does not lock or hold the load without live air pressure.
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