Airtac SAI40 Standard Air Cylinder SAI40X65
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X65 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 65mm 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.
- BoreØ40 mm
- Stroke65 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 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 SAI40 Standard Air Cylinder SAI40X65
The AirTAC SAI40X65 is a double-acting ISO 15552 profile cylinder engineered to deliver 628 N of push force and 528 N of pull force at 0.5 MPa. Its 65 mm stroke provides a compact yet highly effective extension for mid-range automation tasks. The extruded aluminum barrel design eliminates tie-rods, resulting in a cleaner profile that drops directly into standardized ISO 15552 mounting footprints.
This specific configuration features a durable carbon steel piston rod and PT tapered port threads for a secure pneumatic connection. Because it lacks an integrated magnet, it operates purely as a fluid power actuator. For environments requiring high-temperature resistance up to 70 C, the standard TPU seals can be swapped for Viton (H) alternatives during custom ordering.
Airtac SAI40 Standard Air Cylinder SAI40X65 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40X65 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 65 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.
Theoretical Output Force (Ø40mm)
| 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.
Model Code: Airtac SAI40 Standard Air Cylinder SAI40X65
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | 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.
Where the Airtac SAI40 Standard Air Cylinder SAI40X65 Is Used
Package Diverting
Provides the 628 N push force needed to actuate routing gates on 40 mm conveyor lines, utilizing the 65 mm stroke to clear packages efficiently.
Small Part Clamping
Ideal for securing lightweight machined components during drilling or tapping, where the compact 65 mm stroke maximizes machine tool workspace.
Material Ejection
Delivers rapid 30-800 mm/s ejection of formed parts from press dies, with adjustable air cushions absorbing impact at stroke end.
Is the Airtac SAI40 Standard Air Cylinder SAI40X65 the Right Cylinder?
Selecting the SAI40X65 is optimal when your application requires the 628 N thrust at 0.5 MPa but lacks the physical envelope for a 50 mm bore cylinder, which offers 982 N. If your force demands are lower, stepping down to a 32 mm bore provides 402 N in an even smaller footprint. This 65 mm stroke offers precise short-travel movement without the space penalty of longer actuators.
Because the stroke is under 300 mm, rod-bearing bending from side loads is minimal, though external guides are always recommended for heavy off-center loads. This cylinder relies on continuous air pressure to maintain its position; if air is lost, the piston will drift. For applications requiring true load holding upon pressure loss, consider the SAIL variant with an air-released lock or the BSAI clamp-lock series. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders, utilizing a G1/4 port, FA/FB flanges, and standard carbon steel rod construction.
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 SAI40 Standard Air Cylinder SAI40X65 FAQ
At 0.5 MPa, this 40 mm bore cylinder provides 628 N of push force and 528 N of pull force. If operating pressure is increased to 0.7 MPa, the push force rises to 879 N.
Yes. The SAI40X65 is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with other ISO 15552 cylinders. You can swap it using existing FA flange or LB foot mounts and matching G1/4 port connections.
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