Airtac SAI63 Standard Cylinder SAI63BX135S
The AirTAC SAI63 Standard Cylinder SAI63BX135S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 135mm 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
- Stroke135 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 SAI63BX135S
The AirTAC SAI63X135-S is a double-acting ISO 15552 profile cylinder featuring a 63mm bore and 135mm stroke. It provides a robust push force of 1559 N at 0.5 MPa, making it well-suited for medium-duty industrial handling tasks. This specific configuration includes a SUS304 stainless steel piston rod for superior corrosion resistance and a built-in magnet for position sensing.
Equipped with PT tapered ports and adjustable air cushions at both ends, this model ensures smooth end-of-stroke deceleration. The extruded aluminum barrel integrates dual sensor grooves, allowing direct mounting of CMSE or DMSE reed switches without requiring additional brackets.
Airtac SAI63 Standard Cylinder SAI63BX135S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX135S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 135 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 SAI63BX135S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×135 | 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 SAI63BX135S Is Used
Package Diverting
Provides the necessary push force to deflect heavy cardboard cartons on a sorting line during high-speed distribution.
Clamp and Weld
Holds steel fabrications firmly in place under 0.5 MPa pressure while automated welding arms execute structural joints.
Component Ejection
Ejects molded plastic parts from machining centers reliably, using the full 135mm stroke to clear the work area safely.
Is the Airtac SAI63 Standard Cylinder SAI63BX135S the Right Cylinder?
Choose this 63mm bore when an application demands higher thrust than the 50mm version (982 N at 0.5 MPa) but lacks the physical space for an 80mm cylinder. The 135mm stroke offers practical extension for part manipulation and packaging tasks. Because this is a double-acting actuator, it requires continuous air pressure to maintain its position; if pneumatic supply is lost, the rod will drift. For critical drop-prevention safety, consider the SAIL variant with an air-released lock.
This model is dimensionally interchangeable per ISO 15552, serving as a direct replacement for other standard profile cylinders. To complete your setup, pair it with a G3/8 PT port manifold, FA/FB flange mounts, and CMSE switches (supported by the -S magnet).
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 SAI63BX135S FAQ
At a 0.5 MPa operating pressure, this 63mm 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 SAI series is a genuine ISO 15552 profile cylinder, making its mounting interface dimensionally interchangeable with other ISO 15552 standard cylinders. Simply match the 63mm bore, 135mm stroke, and G3/8 PT port dimensions.
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