Airtac SAIJ80 Adjustable Cylinder SAIJ80AX25-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX25-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 25mm 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
- Stroke25 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX25-10S
The AirTAC SAIJ80X25-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 25 mm travel back by up to 10 mm, yielding a precise 15-25 mm usable stroke window for commissioning. Delivering 2513 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod and a PT tapered port thread.
This adjustable-stroke design eliminates the need to swap cylinders or bolt on external stops during product changeovers. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet works seamlessly with AirTAC CMSE reed and DMSE solid-state sensors.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX25-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX25-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 25 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 SAIJ80AX25-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×25 | 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 SAIJ80AX25-10S Is Used
Machine Setup
Dial in the exact 15-25 mm end position during initial commissioning without machining custom spacers.
Product Changeover
Quickly adapt the stroke window on a packaging line when handling slightly different carton sizes.
Variable End Stops
Use the rear screw to set precise retract distances for clamping fixtures on a dynamic assembly line.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX25-10S the Right Cylinder?
Choose this 80 mm bore when an application requires substantial thrust, stepping up from a 50 mm bore that provides 982 N push at 0.5 MPa. The rear adjuster acts purely as a mechanical stop to fine-tune the end position and cannot hold the load without live air; for true load-holding without pressure, consider the SAIL or BSAI series. Being dimensionally interchangeable per ISO 15552, replacements must match the 80 mm bore, 25 mm stroke, 10 mm adjustment, PT G3/8 port, and -S magnet. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80AX25-10S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force, reaching up to 4523 N push at 0.9 MPa.
The rear adjuster screw allows you to shorten the 25 mm nominal stroke by up to 10 mm, creating a 15-25 mm adjustable travel window to fine-tune the end position without replacing the cylinder.
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