Airtac SAI63 Standard Cylinder SAI63X650SN
The AirTAC Airtac SAI63 Standard Cylinder SAI63X650SN is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 650mm 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
- Stroke650 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63X650SN
The AirTAC SAI63X650-S is a double-acting ISO 15552 profile cylinder engineered for robust linear motion. Delivering a push force of 1559 N at 0.5 MPa, this 63 mm bore unit is tailored for applications requiring a 650 mm stroke. The extruded aluminum barrel design omits tie-rods, providing a clean exterior that simplifies mounting and sensor placement.
Equipped from the factory with a piston magnet (-S), this model integrates seamlessly with CMSE or DMSE reed switches housed in the dual sensor grooves machined into the barrel. Standard NBR seals handle ambient temperatures effectively, while the carbon steel piston rod ensures structural durability across long extensions. Threaded PT ports provide a reliable, tapered pneumatic connection.
Airtac SAI63 Standard Cylinder SAI63X650SN Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63X650SN |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 650 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 SAI63X650SN
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×650 | 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 SAI63X650SN Is Used
Automated Assembly Ejection
Provides the 1559 N push force needed to eject completed parts from machining fixtures over a 650 mm reach.
Pallet Diverting
Extends across a conveyor lane to redirect heavy pallets, utilizing the 650 mm stroke to clear adjacent transport lines.
Vertical Material Lift
Raises goods between elevation tiers in packaging cells, relying on the NBR seals and stable 63 mm bore profile for consistent operation.
Is the Airtac SAI63 Standard Cylinder SAI63X650SN the Right Cylinder?
Selecting this 63 mm bore over the smaller 50 mm variant increases thrust from 982 N to 1559 N at 0.5 MPa, making it suitable for heavier payloads. If your application requires less force, stepping down to the 40 mm bore reduces push output to 628 N. Because this model features a 650 mm stroke, the extended carbon steel rod is susceptible to bending under side loads; utilizing an external guide rail or a dedicated guided cylinder will prevent premature rod-bearing wear.
As a dimensionally interchangeable ISO 15552 profile cylinder, it serves as a drop-in replacement for other standard cylinders sharing the same mounting interface. Ensure your setup matches the G3/8 port size, M16x1.5 rod thread, and selected mounting accessories like the FA flange or TC trunnion. Note that the adjustable air cushions at both ends only decelerate the piston near stroke end; they do not hold a load if air pressure is lost. For position holding without live pressure, consider the SAIL locking variant.
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 SAI63X650SN FAQ
At 0.5 MPa operating pressure, this 63 mm bore cylinder provides a push force of 1559 N and a pull force of 1402 N. At 0.7 MPa, the push force increases to 2182 N.
Yes, the SAI63X650-S is dimensionally interchangeable per ISO 15552 standards. You can use it as a drop-in replacement for other ISO 15552 profile cylinders with matching 63 mm bore and 650 mm stroke dimensions, provided your mounting hardware and G3/8 ports align.
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