Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10S 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 SAIJ80X25-10S
The AirTAC SAIJ80X25-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 25 mm stroke by up to 10 mm, creating a highly precise 15-25 mm usable travel window. Delivering a robust 2513 N of thrust at 0.5 MPa, it is designed for heavy-duty positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides, and because this variant includes a magnet, it directly supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise end-of-travel detection.
The rear adjustment screw acts purely as a mechanical stop to fine-tune the retract end position during commissioning without requiring external stops or cylinder replacement. It is not a locking device; the SAIJ relies on live air pressure to maintain load position, so applications requiring true fail-safe holding must use an external rod lock or explore AirTAC SAIL or BSAI series cylinders.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10S |
|---|---|
| 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 SAIJ80X25-10S
| 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 SAIJ80X25-10S Is Used
Short-Stroke Pressing
Dial in the exact 15-25 mm travel window during setup to press components firmly without over-traveling, ensuring consistent assembly force.
Machine Changeover
Quickly adjust the rear stop by up to 10 mm to accommodate slightly different product heights on the same line without swapping the cylinder.
End-Position Trimming
Fine-tune the retract end position during commissioning to align heavy 80 mm bore tooling precisely, eliminating the need for external mechanical stops.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10S the Right Cylinder?
Choose this 80 mm bore when your application demands high thrust, such as the 2513 N push force at 0.5 MPa, but requires finer travel control than a fixed stroke offers. If your force requirements are lower, stepping down to a 63 mm bore yields 1559 N at 0.5 MPa, whereas moving up to a 100 mm bore provides 3927 N. The SAIJ80X25-10-S is specifically selected for short-stroke applications needing exact end-position tuning, offering a 15-25 mm adjustment window that prevents the need for custom spacers during machine changeovers.
For an exact ISO 15552 replacement match, ensure the 80 mm bore, 25 mm nominal stroke, 10 mm adjustment range, PT tapered port threads, and the -S magnet option are specified. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is under 300 mm, side-load risks are minimal, but the 25 mm rod diameter and M20x1.5 rod thread provide excellent mechanical rigidity for absorbing minor offset loads.
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 SAIJ80X25-10S FAQ
The SAIJ80X25-10-S delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa. At the maximum operating pressure of 0.9 MPa, the push force increases to 4523 N.
The rear adjuster screw allows you to shorten the 25 mm nominal stroke by up to 10 mm, providing a usable travel window of 15-25 mm. This mechanical stop fine-tunes the end position but does not lock the load without live air pressure.
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