Airtac SAI63 Standard Cylinder SAI63X20S
The AirTAC SAI63 Standard Cylinder SAI63X20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 20mm 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
- Stroke20 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 SAI63X20S
The AirTAC SAI63X20-S is a double-acting ISO 15552 profile-barrel cylinder engineered for short-stroke actuation. Delivering a push force of 1559 N at 0.5 MPa, this 63 mm bore unit is built for rapid, high-cycle tasks. The integrated -S magnet enables direct mounting of CMSE or DMSE sensor switches along the dual side grooves of the extruded aluminum barrel.
Configured with a standard carbon steel piston rod and tapered PT G3/8 ports, it ensures robust fluid transfer and structural integrity. Its compact 20 mm stroke is optimal for clamping, ejection, or gating operations where absolute end-position precision is required.
Airtac SAI63 Standard Cylinder SAI63X20S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63X20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 20 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 SAI63X20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×20 | 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 SAI63X20S Is Used
Part Ejection
Ideal for stamping presses, utilizing its 1559 N thrust at 0.5 MPa to positively eject metal blanks in a rapid 20 mm stroke.
Flow Gating
Actuates heavy-duty diverter gates on packaging lines, providing positive shifting of product flow with minimal footprint.
Clamping Jigs
Secures automotive components during machining operations, using the -S magnet and DMSE sensors to verify clamp position.
Is the Airtac SAI63 Standard Cylinder SAI63X20S the Right Cylinder?
Selecting this 63 mm bore over a 50 mm model (982 N push at 0.5 MPa) provides an extra 577 N of thrust for heavier intermediate loads. Conversely, if your application only requires 628 N, stepping down to a 40 mm bore saves valuable space. The 20 mm stroke offers rapid cycling but requires precise end-stop alignment.
Because this is a double-acting cylinder, it relies on continuous air pressure to maintain position. If the air supply drops or the valve centers, the piston will drift. For applications that must hold a load mechanically without live pressure, specify the SAIL (air-released lock) or BSAI (clamp-lock) variant. This genuine AirTAC unit serves as a direct replacement for other ISO 15552 profile cylinders.
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 SAI63X20S FAQ
At 0.5 MPa operating pressure, the SAI63X20-S 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 SAI63X20-S is a genuine AirTAC profile cylinder built to the ISO 15552 standard, making it dimensionally interchangeable with other ISO 15552 profile cylinders of the same bore and stroke.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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