Airtac SAI63 Standard Cylinder SAI63X30
The AirTAC Airtac SAI63 Standard Cylinder SAI63X30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 30mm 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
- Stroke30 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI63 Standard Cylinder SAI63X30
The AirTAC SAI63X30 is a double-acting ISO 15552 profile cylinder engineered for short-stroke actuation. It delivers a robust 1559 N push force at 0.5 MPa, making it ideal for high-impact clamping and ejecting tasks. The 30 mm stroke ensures rapid cycling in compact machinery layouts.
This variant features a standard carbon steel piston rod and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, allowing easy mounting of CMSE or DMSE switches if a magnet is added later. For operations experiencing thermal stress, the seals can be upgraded from standard TPU to high-temperature Viton (H).
Airtac SAI63 Standard Cylinder SAI63X30 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63X30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 30 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 SAI63X30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×30 | 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 SAI63X30 Is Used
Short-Stroke Clamping
Provides 1559 N of immediate clamping force for securing heavy steel workpieces during machining operations.
Product Ejection
Rapidly pushes finished parts off a production line using a compact 30 mm stroke to maintain high throughput.
Press Operations
Applies focused downward pressure for light-duty stamping, riveting, and assembly tasks within tight spaces.
Is the Airtac SAI63 Standard Cylinder SAI63X30 the Right Cylinder?
Select this 63 mm bore when a 50 mm bore (982 N at 0.5 MPa) lacks the necessary thrust for firm holding or lifting. Because the stroke is only 30 mm, side-load stress on the rod bearing is minimal, permitting direct mounting without external guides. The standardized ISO 15552 mounting dimensions ensure it serves as a drop-in replacement for comparable profile cylinders, utilizing PT ports and standard mounting accessories like FA flanges or LB foot brackets.
Remember that the adjustable air cushions only decelerate the piston at stroke ends and do not function as a brake. If your application must maintain a vertical load during a complete loss of air pressure, integrate the SAIL variant with a mechanical lock or utilize an external pilot-operated check valve to prevent drifting.
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 SAI63X30 FAQ
At an operating pressure of 0.5 MPa, this 63 mm bore cylinder generates 1559 N of push force and 1402 N of pull force. At 0.7 MPa, the push force increases to 2182 N.
Yes, the SAI63X30 is dimensionally interchangeable per ISO 15552 standards. You can drop it into existing machinery setups designed for standard ISO 15552 profile cylinders using identical mounting hardware and PT port connections.
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