Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10 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 SAIJ80X25-10
The AirTAC SAIJ80X25-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end-of-travel position. With a nominal 25 mm stroke and a 10 mm adjustment range, it provides a usable travel window of 15 to 25 mm. This bore size delivers substantial thrust, offering 2513 N of push force and 2268 N of pull force at 0.5 MPa, making it well-suited for high-force short-stroke clamping or pressing tasks.
The integrated adjustment screw acts purely as a mechanical stop to dial in the exact end position during commissioning without adding external stops. It does not lock the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides for straightforward positioning of CMSE reed or DMSE electronic switches, and the robust 25 mm carbon steel rod handles high side-load stresses effectively.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10 |
|---|---|
| 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 SAIJ80X25-10
| 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 SAIJ80X25-10 Is Used
Short-Stroke Pressing
Dial in the exact 15-25 mm travel window to deliver precise 2513 N pressing force for assembling small components.
Machine Changeover
Quickly adjust the rear stop screw to accommodate new product thicknesses on a packaging line without changing the cylinder.
High-Force Clamping
Secure heavy workpieces using the substantial 0.5 MPa clamping force, fine-tuning the retraction end to avoid over-travel.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X25-10 the Right Cylinder?
Choose this 80 mm bore cylinder when an application requires more force than the 63 mm bore option (which provides 1559 N push at 0.5 MPa) but has a compact linear movement requirement. The adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers, providing a 15-25 mm travel window without needing to swap out the entire cylinder.
For load-holding without continuous air pressure, this plain SAIJ cylinder is insufficient since the rear adjuster only acts as a travel stop and not a brake. In such cases, consider the SAIL or BSAI series. To match this ISO 15552 dimensionally interchangeable replacement, specify: 80 mm bore, 25 mm stroke, 10 mm adjustment, PT tapered port thread, standard carbon steel rod, and no magnet.
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 SAIJ80X25-10 FAQ
At a 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 25 mm down to 15 mm. This creates a 15-25 mm usable window for fine-tuning the end position without swapping the cylinder.
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