Airtac SAI63 Standard Cylinder SAI63AX90
The AirTAC Airtac SAI63 Standard Cylinder SAI63AX90 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 90mm 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
- Stroke90 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 SAI63AX90
The AirTAC SAI63X90 is a double-acting profile cylinder built to the ISO 15552 mounting interface, ensuring exact dimensional interchangeability for machinery upgrades. Delivering a push thrust of 1559 N at 0.5 MPa, this 63 mm bore unit is paired with a 90 mm stroke to tackle moderate load positioning tasks.
This configuration features a SUS420J2 stainless steel piston rod (material code A) for enhanced corrosion resistance in humid production environments. It utilizes PT tapered port threads, and because a magnet is not specified, external reed or solid-state switches must be mounted separately if position feedback is required.
Airtac SAI63 Standard Cylinder SAI63AX90 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63AX90 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 90 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 SAI63AX90
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×90 | 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 SAI63AX90 Is Used
Package Diverting
Provides the necessary push force to actuate diverter arms on high-speed packaging conveyors.
Clamp Actuation
Secures steel workpieces during machining operations using robust 1559 N of thrust at 0.5 MPa.
Material Ejection
Drives short-stroke ejection pins to remove molded parts from press cavities reliably.
Is the Airtac SAI63 Standard Cylinder SAI63AX90 the Right Cylinder?
If your application requires less force, stepping down to a 50 mm bore yields 982 N at 0.5 MPa, whereas upgrading to an 80 mm bore provides 2513 N. Since this 90 mm stroke is well below the 300 mm side-load threshold, standard mounting accessories like an FA flange or LB foot bracket are sufficient without needing external guides. Note that this cylinder relies on live air pressure to maintain position; if pneumatic pressure is lost, the piston will drift. For fail-safe load holding, consider the SAIL variant with an air-released lock or the BSAI bidirectional clamp-lock. To match this unit for an ISO 15552 replacement, specify a 63 mm bore, 90 mm stroke, G3/8 port, and your desired mounting accessory.
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 SAI63AX90 FAQ
The SAI63X90 cylinder provides a push force of 1559 N and a pull force of 1402 N when operating at 0.5 MPa. At 0.7 MPa, the push force increases to 2182 N.
Yes, the SAI63X90 is a genuine AirTAC profile cylinder that is dimensionally interchangeable per ISO 15552. You can use it as a direct replacement for other ISO 15552 cylinders by matching the 63 mm bore, 90 mm stroke, and G3/8 port size.
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