
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X80 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 80mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAI40X80 is a double-acting ISO 15552 profile cylinder featuring a 40mm bore and an 80mm stroke. It provides a push force of 628 N and a pull force of 528 N at 0.5 MPa, making it an excellent fit for medium-duty handling tasks. The extruded aluminum barrel design omits tie rods, presenting a clean exterior that is dimensionally interchangeable per ISO 15552 standards.
This specific configuration utilizes a standard carbon steel piston rod and PT (tapered) port threads. Without a built-in magnet, it relies on external sensing if needed, while the barrel includes dual-side sensor grooves ready for CMSE or DMSE switches when a -S variant is required.
| Model | Airtac SAI40 Standard Air Cylinder SAI40X80 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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. |
|---|---|
| 40 | Bore size in mm. |
| ×80 | 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.
Drives 80mm pusher arms on packaging lines to divert small to medium parcels at high speeds.
Provides 628 N of holding force to secure aluminum extrusions during CNC machining operations.
Operates short-throw pneumatic gates that regulate component flow into assembly machinery.
Choose this 40mm bore when an application requires more power than the 32mm version (which yields 402 N at 0.5 MPa), but you want to avoid the bulk of a 50mm unit (982 N). The 80mm stroke is ideal for short, rapid movements. Because this is a double-acting cylinder, it relies on live air pressure for both extension and retraction; if your machinery must hold a load securely during a pressure drop, consider the SAIL variant with an air-released lock or an external rod lock.
To guarantee a true drop-in replacement, verify the 80mm stroke, the G1/4 port, and the M12x1.25 rod thread. Mounting can be customized using standard ISO 15552 accessories like FA flanges or LB foot brackets.
Quick checklist
At an operating pressure of 0.5 MPa, the SAI40X80 cylinder provides a push (extend) force of 628 N and a pull (retract) force of 528 N. At the maximum rated pressure of 1.0 MPa, it can generate up to 128 kgf.
Yes, the SAI40X80 is a genuine ISO 15552 profile cylinder. It is dimensionally interchangeable with other ISO 15552 cylinders, allowing it to serve as a drop-in replacement using the same mounting interface and G1/4 ports.
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