Airtac SAI63 Standard Cylinder SAI63BX105
The AirTAC Airtac SAI63 Standard Cylinder SAI63BX105 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 105mm 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
- Stroke105 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 SAI63BX105
The AirTAC SAI63X105 is a double-acting ISO 15552 profile cylinder engineered to deliver 1559N of push force at 0.5MPa. Its 105mm stroke is well-suited for mid-length actuation tasks requiring consistent power. As a standardized profile barrel unit, it provides a dimensionally interchangeable mounting interface for global equipment designs.
This specific configuration features a SUS304 stainless steel piston rod (material code B) for superior corrosion resistance in humid or washdown environments. It utilizes PT tapered port threads and lacks a standard magnet, meaning external reed or solid-state sensors like CMSE or DMSE cannot be directly fitted without modification.
Airtac SAI63 Standard Cylinder SAI63BX105 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX105 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 105 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 SAI63BX105
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×105 | 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 SAI63BX105 Is Used
Component Clamping
Provides 1559N of push force at 0.5MPa to securely hold aluminum or steel castings during CNC machining operations.
Package Diversion
Uses the 105mm stroke to extend a diverter arm, routing medium-weight cardboard cartons to secondary packaging lines.
Material Ejection
Ejects molded rubber parts from a press bed, utilizing the SUS304 stainless rod to withstand abrasive and humid operating conditions.
Is the Airtac SAI63 Standard Cylinder SAI63BX105 the Right Cylinder?
Selecting this 63mm bore over a smaller 50mm option upgrades your thrust from 982N to 1559N at 0.5MPa, which is critical if you are overcoming higher friction or moving heavier payloads. Conversely, if your load is lighter, stepping down to a 50mm bore saves physical space and air consumption. Because the stroke is under 300mm, side-load stress on the rod bearing is minimal, though external guides are always recommended for offset loads.
This model is a direct replacement for other ISO 15552 cylinders, matching the standard 63mm footprint, PT porting, and standard mounting accessories like FA flanges or TC trunnions. Note that the standard SAI does not hold its load when air pressure is removed; if your application requires vertical position holding, consider the SAIL variant with an air-released lock or an external pilot-operated check valve.
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 SAI63BX105 FAQ
At a standard operating pressure of 0.5MPa, the SAI63X105 delivers 1559N of push force and 1402N of pull force. At 0.7MPa, the push force increases to 2182N.
Yes, the SAI63X105 is dimensionally interchangeable per ISO 15552 standards. It shares the same mounting interface and bore dimensions as other ISO 15552 profile cylinders, allowing for a direct replacement.
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