Airtac SAI63 Standard Cylinder SAI63AX220
The AirTAC Airtac SAI63 Standard Cylinder SAI63AX220 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 220mm 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
- Stroke220 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63AX220
The AirTAC SAI63X220 is a double-acting profile cylinder built to ISO 15552 dimensional standards, providing a push force of 2182 N at 0.7 MPa. Its 220 mm stroke is well-suited for medium-travel automation tasks requiring consistent thrust. The extruded aluminum barrel eliminates tie rods, presenting a clean exterior that drops directly into ISO 15552 mounting interfaces.
For environments requiring corrosion resistance, this unit is configured with an SUS420J2 stainless steel piston rod (option A). It uses PT tapered port threads (G3/8) and does not include a standard magnet, meaning position sensing must be handled externally unless a -S variant is specified.
Airtac SAI63 Standard Cylinder SAI63AX220 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63AX220 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 220 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 SAI63AX220
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×220 | 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 SAI63AX220 Is Used
Automated Clamping
Provides 2182 N of push force at 0.7 MPa for securing heavy metal components during machining operations.
Product Diversion
Uses the 220 mm stroke to push packages or workpieces cleanly off a main conveyor line at high speeds.
Pressing Station
Applies steady downward pressure for light-duty assembly tasks, benefiting from the 36 mm adjustable cushion at stroke end.
Is the Airtac SAI63 Standard Cylinder SAI63AX220 the Right Cylinder?
This 63 mm bore generates 1559 N of push force at 0.5 MPa. If your application requires less force, stepping down to the 50 mm bore yields 982 N at 0.5 MPa, while moving up to an 80 mm bore provides 2513 N at the same pressure. Because the 220 mm stroke exceeds 300 mm, side load is not a primary concern here, but always ensure the load is guided to prevent rod bearing wear.
If the machine loses air pressure, this standard cylinder cannot hold its load in place—the piston will drift. For vertical or suspended loads that require fail-safe holding, select the SAIL (air-released lock) or BSAI (bidirectional clamp-lock) variant instead of the base SAI. This model is interchangeable with other ISO 15552 cylinders via standard FA/FB flanges or TC trunnion mounts.
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 SAI63AX220 FAQ
At an operating pressure of 0.5 MPa, the push force is 1559 N and the pull force is 1402 N. At 0.7 MPa, the push force increases to 2182 N.
Yes, the SAI63X220 is dimensionally interchangeable with other ISO 15552 profile cylinders, matching standard mounting footprints and G3/8 port locations.
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