
The AirTAC Airtac SAI63 Standard Cylinder SAI63BX65 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 65mm 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.
The AirTAC SAI63X65 is a double-acting ISO 15552 profile cylinder offering a push force of 1559 N at 0.5 MPa. This 65 mm stroke is a non-standard, made-to-order length designed for applications requiring precise intermediate movements without excess overhang. The extruded aluminum barrel eliminates tie-rods, providing a smooth exterior that resists contamination.
This unit features a SUS304 stainless steel piston rod (option B) for superior corrosion resistance in wet or washdown environments. It uses PT tapered ports and lacks a magnet; add the -S suffix if you require CMSE or DMSE sensor switches for position feedback.
| Model | Airtac SAI63 Standard Cylinder SAI63BX65 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 65 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×65 | 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.
Provides 1559 N of clamping force at 0.5 MPa for securing heavy machined parts during milling or drilling operations.
The 65 mm stroke extends a diverter arm at precisely the right distance to redirect medium-weight cartons on a packaging line.
Drives heavy process gates in food or chemical facilities, leveraging the SUS304 rod and PT tapered ports for reliable sealing.
If 1559 N at 0.5 MPa is insufficient, stepping up to the 80 mm bore yields 2513 N of push force. Conversely, the 50 mm bore provides 982 N for lighter loads. Because this 65 mm stroke is a custom length, expect slightly longer lead times than standard 50 mm or 75 mm increments.
As an ISO 15552 profile cylinder, it serves as a direct replacement for other ISO 15552 cylinders, matching mounting interface dimensions exactly. The variable air cushions at both ends decelerate the piston near stroke end but do not lock the load; if position holding is required without live air pressure, specify the SAIL or BSAI variant instead.
Quick checklist
The SAI63X65 generates a push force of 1559 N and a pull force of 1402 N at 0.5 MPa. At 0.7 MPa, the push force increases to 2182 N.
Yes. It is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with other ISO 15552 cylinders using the same 63 mm bore and PT port interface.
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