Airtac SAI63 Standard Cylinder SAI63AX140S
The AirTAC Airtac SAI63 Standard Cylinder SAI63AX140S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 140mm 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
- Stroke140 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63AX140S
The AirTAC SAI63X140-S is a double-acting ISO 15552 profile cylinder featuring a 63mm bore and 140mm stroke. It delivers a robust 1559N push force at 0.5MPa, making it highly suitable for mid-range industrial actuation. The extruded aluminum barrel design eliminates tie-rods, providing a clean exterior while maintaining strict dimensional interchangeability with other ISO 15552 compliant units.
This specific configuration includes a magnetic piston (-S) for non-contact position detection via CMSE or DMSE series switches mounted in the dual sensor grooves. Furthermore, the piston rod is manufactured from SUS420J2 stainless steel, offering excellent resistance to corrosion and wear in demanding environments. The unit utilizes PT tapered port threads and adjustable air cushions at both ends to manage impact forces.
Airtac SAI63 Standard Cylinder SAI63AX140S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63AX140S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 140 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 SAI63AX140S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×140 | 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 SAI63AX140S Is Used
Package Diverting
Provides the 1559N force needed to push heavy cartons onto secondary packaging lines at high cycling rates.
Press Fit Operations
Drives small bearings or pins into housings with reliable, consistent force using adjustable end cushioning.
Pallet Stopping
Halts incoming pallets on accumulation conveyors, utilizing the SUS420J2 rod to withstand abrasive environments.
Is the Airtac SAI63 Standard Cylinder SAI63AX140S the Right Cylinder?
Selecting this 63mm bore model is ideal when a 50mm bore (982N push @0.5MPa) lacks sufficient thrust but a larger 80mm bore (2513N push @0.5MPa) is physically oversized. At 140mm stroke, side-load bending stress on the rod bearing is minimal, though external guides should always be used to handle direct lateral loads. Since this is a standard double-acting cylinder, it will not hold a load if air pressure is lost; for position holding without live pressure, consider the SAIL (air-released lock) or BSAI (bidirectional clamp-lock) variants. As a drop-in replacement, match the 63mm bore, 140mm stroke, G3/8 PT port, desired mounting accessory (like FA flange or TC trunnion), and the -S magnet requirement.
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 SAI63AX140S FAQ
At 0.5MPa operating pressure, the SAI63X140-S generates a push force of 1559N and a pull force of 1402N. At 0.7MPa, the push force increases to 2182N.
Yes, the SAI63X140-S is dimensionally interchangeable per ISO 15552 standards. You can drop it in to replace other ISO 15552 profile cylinders with a 63mm bore, 140mm stroke, and G3/8 port.
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