Airtac SAI63 Standard Cylinder SAI63BX950
The AirTAC Airtac SAI63 Standard Cylinder SAI63BX950 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 950mm 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
- Stroke950 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 SAI63BX950
The AirTAC SAI63X950 is a double-acting ISO 15552 profile cylinder engineered for a 950 mm stroke, delivering a robust 2182 N of push force at 0.7 MPa. Because this stroke exceeds the standard 1500 mm maximum for this bore, it is produced as a made-to-order configuration to fit specialized automation layouts.
This specific unit features a SUS304 stainless steel piston rod for superior corrosion resistance and includes PT tapered port threads. Note that position holding is not inherent; if your process requires dead-stop braking without live air pressure, consider the SAIL variant with an air-released lock.
Airtac SAI63 Standard Cylinder SAI63BX950 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX950 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 950 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 SAI63BX950
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×950 | 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 SAI63BX950 Is Used
Long-Reach Transfer
Pushes products across wide conveyor gaps using the extended 950 mm stroke while maintaining 2182 N output at 0.7 MPa.
Automated Forming
Actuates large press dies or forming tools where high force and long travel are required to shape materials.
Heavy Material Handling
Deploys large packaging flaps or redirects heavy palletized goods on automated assembly lines.
Is the Airtac SAI63 Standard Cylinder SAI63BX950 the Right Cylinder?
Selecting this non-standard 950 mm stroke requires careful attention to mechanical stability. At this length, the unsupported rod is highly susceptible to bending under side loads. To prevent premature rod-bearing wear and piston drift, implement an external guide rail or transition to a guided cylinder carriage.
When specifying the ISO 15552 mounting interface, match your accessories precisely: use a 63 mm bore, 950 mm stroke, G3/8 PT port, and choose appropriate foot or flange mounts. Because no -S magnet is specified, standard magnetic sensing is unavailable.
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 SAI63BX950 FAQ
At 0.7 MPa operating pressure, this 63 mm bore cylinder generates 2182 N of push force and 1402 N of pull force.
Because 950 mm is a non-standard extended stroke, the rod is vulnerable to bending. You must use external guide rails or a guided cylinder to manage any side loads.
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