Airtac SAI63 Standard Cylinder SAI63X260
The AirTAC Airtac SAI63 Standard Cylinder SAI63X260 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 260mm 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
- Stroke260 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63X260
The AirTAC SAI63X260 is a double-acting ISO 15552 profile cylinder offering 1559 N of push force at 0.5 MPa. Its 260 mm stroke provides extended travel for positioning tasks. The extruded aluminum barrel omits tie rods for a clean exterior.
This unit features a standard carbon steel piston rod and tapered PT ports. Because it lacks a magnet, it is optimized for purely mechanical actuation. For high-temperature environments up to 70 C, Viton (H) seals are available as an alternative to the standard TPU.
Airtac SAI63 Standard Cylinder SAI63X260 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63X260 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 260 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 SAI63X260
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×260 | 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 SAI63X260 Is Used
Component Ejection
Pushes machined parts out of a fixture using 1559 N of force over a 260 mm travel distance.
Pallet Diversion
Extends to reroute heavy pallets onto a secondary packaging line without requiring sensors.
Gate Control
Actuates heavy access gates on automated machinery, utilizing adjustable cushions for smooth stops.
Is the Airtac SAI63 Standard Cylinder SAI63X260 the Right Cylinder?
With a 260 mm stroke, the unsupported piston rod is susceptible to bending under side loads. Employ an external guide rail or a guided cylinder to prevent rod-bearing wear. If your mechanism must maintain position without live air pressure, use the SAIL locking variant or an external rod lock.
This model is dimensionally interchangeable per ISO 15552, offering a drop-in replacement for other standard profile cylinders. It uses a G3/8 port, an M16x1.5 rod thread, and 36 mm adjustable air cushions at both ends. Mounting options include FA flanges or TC trunnions.
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 SAI63X260 FAQ
At 0.5 MPa operating pressure, the SAI63X260 generates 1559 N of push force and 1402 N of pull force. At 0.7 MPa, the push force increases to 2182 N.
No, the standard SAI cylinder will drift or drop under load without live pressure. The adjustable air cushion only decelerates the piston near stroke end. For true load holding, use the SAIL variant or an external rod lock.
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