Airtac SAI63 Standard Cylinder SAI63BX40
The AirTAC SAI63 Standard Cylinder SAI63BX40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 40mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ63 mm
- Stroke40 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAI63 Standard Cylinder SAI63BX40
The AirTAC SAI63X40 is a double-acting ISO 15552 profile cylinder featuring a 63mm bore and a 40mm stroke. It delivers a robust push force of 1559 N at 0.5 MPa, making it well-suited for short, high-impact clamping and ejection tasks.
This specific configuration incorporates a SUS304 stainless steel piston rod, providing excellent corrosion resistance for harsh or washdown environments. The extruded aluminum barrel includes integrated sensor grooves on both sides, allowing for straightforward position monitoring when paired with compatible switch accessories.
Airtac SAI63 Standard Cylinder SAI63BX40 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 40 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 SAI63BX40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×40 | 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 SAI63BX40 Is Used
Short-Stroke Clamping
Ideal for holding heavy metal workpieces securely in place during machining operations, utilizing the 1559 N push force within a compact 40mm stroke envelope.
Product Ejection
Provides rapid, forceful ejection of finished parts from conveyor lines, where the short stroke ensures a fast cycle time without occupying excessive machine footprint.
Washdown Actuation
The SUS304 stainless steel rod option makes this configuration highly suitable for food processing or chemical packaging environments requiring frequent washdowns.
Is the Airtac SAI63 Standard Cylinder SAI63BX40 the Right Cylinder?
Choose this 63mm bore when a 50mm bore (982 N at 0.5 MPa) lacks the necessary thrust for your application. The 40mm stroke is optimal for tight spaces requiring rapid, high-force actuation. Because the stroke is under 300mm, side-load stress on the rod bearing is minimal for standard loads.
This model uses a PT tapered port thread and follows the ISO 15552 mounting interface, ensuring dimensional interchangeability with other standard profile cylinders. Remember that the adjustable air cushions only decelerate the piston at stroke ends; they do not hold a load. If your system loses air pressure, the rod will drift. For secure position holding without live pressure, specify the SAIL (air-released lock) or BSAI (clamp-lock) 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 SAI63BX40 FAQ
At a standard operating pressure of 0.5 MPa, the SAI63X40 generates 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 SAI63X40 is a genuine ISO 15552 profile cylinder. Its standardized mounting dimensions make it a direct replacement for other ISO 15552 cylinders, though you should verify the PT port thread and specific accessory compatibility.
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Covers non-human-caused product damage.
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