Airtac SAI63 Standard Cylinder SAI63AX80S
The AirTAC Airtac SAI63 Standard Cylinder SAI63AX80S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 80mm 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.
- BoreØ63 mm
- Stroke80 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63AX80S
The AirTAC SAI63X80-S is a double-acting ISO 15552 profile cylinder engineered to deliver 1559 N of push force and 1402 N of pull force at 0.5 MPa. Its 80 mm stroke is highly effective for short-travel clamping, ejection, and lifting tasks within mid-sized automated machinery. As a profile barrel design, it omits external tie rods to provide a clean, obstruction-free exterior.
This specific configuration includes a factory-installed magnet (-S) for proximity sensing, allowing seamless integration with CMSE or DMSE reed switches housed in the dual-side sensor grooves. Furthermore, the piston rod is constructed from SUS420J2 stainless steel (option A), offering excellent resistance to moisture and mild corrosion compared to standard carbon steel. The pneumatic supply connects via a PT threaded G3/8 port.
Airtac SAI63 Standard Cylinder SAI63AX80S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63AX80S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI63 Standard Cylinder SAI63AX80S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×80 | 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 SAI63 Standard Cylinder SAI63AX80S Is Used
Component Ejection
Provides 1559 N of thrust at 0.5 MPa to reliably push machined parts out of fixtures during automated machining cycles.
Package Diverting
Actuates a short-stroke routing arm to sort medium-weight cartons on a packaging line with rapid 30-800 mm/s cycle speeds.
Press Clamping
Secures sheet metal blanks under press tools, utilizing the SUS420J2 stainless steel rod for durability in industrial environments.
Is the Airtac SAI63 Standard Cylinder SAI63AX80S the Right Cylinder?
If your application requires less force, stepping down to the 50 mm bore yields 982 N of push force at 0.5 MPa, whereas the larger 80 mm bore provides 2513 N for heavier loads. The 80 mm stroke is well below the 300 mm side-load threshold, so standard mounting is highly effective without requiring external guide rails.
For true ISO 15552 dimensional interchangeability, match the 63 mm bore, 80 mm stroke, G3/8 PT port, and your chosen mounting accessory (such as a TC trunnion or FA flange). Remember that the standard adjustable air cushion only decelerates the piston near the stroke ends; if your process must hold a load securely without continuous air pressure, utilize the SAIL locking variant or an external pilot-operated check valve.
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 SAI63 Standard Cylinder SAI63AX80S FAQ
At a 0.5 MPa operating pressure, this 63 mm bore cylinder generates 1559 N of push force and 1402 N of pull force. At the maximum 1.0 MPa pressure, the theoretical push force reaches 318 kgf.
Yes, the SAI63X80-S is dimensionally interchangeable per ISO 15552. You can directly swap it with other ISO 15552 profile cylinders matching the 63 mm bore, 80 mm stroke, and G3/8 port specifications.
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