Airtac SAI63 Standard Cylinder SAI63BX325
The AirTAC Airtac SAI63 Standard Cylinder SAI63BX325 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 325mm 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
- Stroke325 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 SAI63BX325
The AirTAC SAI63X325 is a double-acting ISO 15552 profile cylinder featuring a 63mm bore and a 325mm stroke. It generates 1559N of push force and 1402N of pull force at 0.5 MPa, placing it in a robust mid-range force class suitable for demanding industrial actuation.
This specific configuration incorporates a SUS304 stainless steel rod (material code B) for superior corrosion resistance in harsh environments. It utilizes PT tapered port threads and lacks a magnet (-S not specified), meaning it is optimized purely for pneumatic driving without external position sensing.
Airtac SAI63 Standard Cylinder SAI63BX325 Technical Specifications
| Model | Airtac SAI63 Standard Cylinder SAI63BX325 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 325 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 SAI63BX325
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×325 | 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 SAI63BX325 Is Used
Material Diverting
Actuates diverter arms on packaging lines to route products into secondary chutes using its 325mm stroke and 1559N push force.
Press Fit Operations
Drives light-duty press fixtures to insert bearings or pins, utilizing the consistent linear motion and SUS304 rod for durability.
Pallet Positioning
Pushes or indexes empty pallets into a wrapping station, providing enough thrust to overcome sliding friction without needing a magnet.
Is the Airtac SAI63 Standard Cylinder SAI63BX325 the Right Cylinder?
Selecting this 63mm bore over the smaller 50mm option upgrades your push force from 982N to 1559N at 0.5 MPa, while stepping up to the 80mm bore yields 2513N if your application requires moving substantially heavier loads. The 325mm stroke provides ample extension for mid-range travel distances.
Because the 325mm stroke creates a long unsupported rod extension, side loads can cause rod-bearing bending and premature wear. Employ an external guide rail or select a fully guided cylinder to handle lateral forces. Note that the standard adjustable air cushions only decelerate the piston near the end caps; they do not hold the load if air pressure is lost. For secure position holding without live pressure, consider the SAIL variant with an air-released lock or the BSAI bidirectional clamp-lock. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders using identical mounting accessories like FA flanges or TC trunnions.
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 SAI63BX325 FAQ
At an operating pressure of 0.5 MPa, the SAI63X325 generates a push force of 1559N and a pull force of 1402N. At 0.7 MPa, the push force increases to 2182N.
Yes, the SAI63X325 is a genuine ISO 15552 profile cylinder, making its mounting interface dimensionally interchangeable with other ISO 15552 compliant cylinders of the same bore size.
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