Airtac SAI63 Standard Cylinder SAI63BX240S
The AirTAC SAI63 Standard Cylinder SAI63BX240S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
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About the Airtac SAI63 Standard Cylinder SAI63BX240S
The AirTAC SAI63X240-S is a double-acting ISO 15552 profile cylinder engineered to deliver 1559 N of push force at 0.5 MPa. Its 240 mm stroke provides the extended travel needed for mid-range automation tasks. Built with an extruded aluminum barrel, this model omits tie-rods for a clean exterior.
This specific configuration includes a SUS304 stainless steel rod (material code B) for superior corrosion resistance in humid or washdown environments. It also features an integrated magnet (-S) that interacts directly with CMSE or DMSE sensor switches mounted in the dual side grooves. Ports are cut with PT tapered threads.
Airtac SAI63 Standard Cylinder SAI63BX240S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX240S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 240 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 SAI63BX240S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×240 | 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 SAI63BX240S Is Used
Mid-Force Actuation
Drives 1559 N at 0.5 MPa to push, lift, or press medium-weight components along assembly lines.
Material Diversion
Extends 240 mm to actuate sorting gates and divert packages on automated conveyor systems.
Corrosion-Resistant Handling
The SUS304 rod withstands moisture and washdowns, making it ideal for food packaging or humid plant environments.
Is the Airtac SAI63 Standard Cylinder SAI63BX240S the Right Cylinder?
Select this 63 mm bore when an application requires roughly 1559 N of push force at 0.5 MPa, bridging the gap between the 50 mm (982 N) and 80 mm (2513 N) bores. The 240 mm stroke is well within the 1500 mm standard maximum, but at this length you should manage side loading to prevent rod-bearing bending; use an external guide rail or a guided cylinder for heavy offset loads.
Because it adheres strictly to ISO 15552 mounting dimensions, you can drop this cylinder directly into existing fixtures using standard FA, LB, or TC accessories. If your process requires the load to stay fixed during a pressure loss, note that standard air cushions only decelerate the piston at stroke end and will not hold position; you must specify a SAIL lock or BSAI clamp-lock variant for that function.
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 SAI63BX240S FAQ
At 0.5 MPa operating pressure, 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 SAI63X240-S is dimensionally interchangeable per ISO 15552. You can use it as a direct replacement for other ISO 15552 profile cylinders with a 63 mm bore and 240 mm stroke, provided you match the PT port and mounting accessories.
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