Airtac SAI63 Standard Cylinder SAI63BX95S
The AirTAC SAI63 Standard Cylinder SAI63BX95S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 95mm 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
- Stroke95 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 SAI63BX95S
The AirTAC SAI63X95-S is a double-acting ISO 15552 profile cylinder engineered to deliver 1559 N of push force and 1402 N of pull force at 0.5 MPa. The 95 mm stroke provides a highly practical mid-range extension length, making it ideal for general industrial automation tasks. As a genuine AirTAC product, it ensures reliable performance across demanding cycles.
This specific configuration includes a SUS304 stainless steel piston rod (option B) for superior corrosion resistance and features a built-in magnet (-S) that enables direct mounting of CMSE or DMSE reed switches along the dual sensor grooves on the extruded aluminum barrel. It utilizes PT tapered port threads and adjustable air cushions at both ends to absorb impact energy smoothly.
Airtac SAI63 Standard Cylinder SAI63BX95S Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX95S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 95 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 SAI63BX95S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×95 | 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 SAI63BX95S Is Used
Machine Clamping
Provides reliable 1559 N clamping force at 0.5 MPa for securing heavy metal workpieces during CNC machining, utilizing the 95 mm stroke to accommodate varying part sizes.
Package Diverting
The 63 mm bore generates ample lateral force to push heavy cartons or totes across conveyor belts in high-speed sorting facilities, with the -S magnet allowing position feedback.
Press Ejection
Ideal for ejecting formed parts from hydraulic or mechanical presses, where the SUS304 rod withstands occasional exposure to cutting fluids and lubricants.
Is the Airtac SAI63 Standard Cylinder SAI63BX95S the Right Cylinder?
Selecting this 63 mm bore model makes sense when the 50 mm bore variant (providing 982 N push at 0.5 MPa) lacks sufficient thrust, but the larger 80 mm bore (2513 N) would be physically oversized. The 95 mm stroke offers compact travel while maintaining a robust force output.
Because the standard SAI design lacks an internal locking mechanism, the piston will drift if air pressure is lost or the control valve is centered. For applications requiring strict position holding without constant live pressure, consider integrating the SAIL (air-released lock) variant or an external pilot-operated check valve. This model is dimensionally interchangeable per ISO 15552, meaning it serves as a direct replacement for other ISO 15552 cylinders with matching 63 mm bore, 95 mm stroke, G3/8 port, and mounting accessories like the FA flange or TC trunnion.
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 SAI63BX95S FAQ
At a standard operating pressure of 0.5 MPa, this 63 mm bore cylinder generates a theoretical push force of 1559 N and a pull force of 1402 N. If pressure is increased to 0.7 MPa, the push force rises to 2182 N.
Yes. The SAI series is a true ISO 15552 profile cylinder, meaning its mounting interface is dimensionally interchangeable with other ISO 15552 cylinders. You can directly replace a matching 63 mm bore unit with standard FA, FB, or TC mounting accessories.
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