Airtac SAI40 Standard Air Cylinder SAI40BX500
The AirTAC SAI40 Standard Air Cylinder SAI40BX500 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 500mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ40 mm
- Stroke500 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 SAI40BX500
The AirTAC SAI40X500 is a double-acting ISO 15552 profile cylinder offering a 500mm stroke. It generates 628N of push force and 528N of pull force at 0.5 MPa, making it suitable for medium-duty handling tasks. The extruded aluminum barrel design omits tie rods, presenting a clean exterior that matches standardized ISO mounting interfaces.
This specific configuration features a SUS304 stainless steel piston rod (material code B) for superior corrosion resistance in humid or washdown environments. Because it lacks a built-in magnet (-S), it relies on external proximity sensors rather than the integrated CMSE/DMSE switch grooves. For applications needing position holding without continuous air pressure, consider the SAIL locking variant.
Airtac SAI40 Standard Air Cylinder SAI40BX500 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40BX500 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 500 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 SAI40BX500
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×500 | 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 SAI40BX500 Is Used
Material Transfer
Ideal for pushing or lifting packages along a 500mm conveyor section where 628N of thrust handles typical box weights.
Component Ejection
Provides the reach and force needed to eject molded or machined parts from a fixture, with SUS304 steel resisting coolant splash.
Pallet Sorting
Actuates sorting arms or routing gates in distribution hubs, utilizing the full 500mm stroke to divert totes accurately.
Is the Airtac SAI40 Standard Air Cylinder SAI40BX500 the Right Cylinder?
If 628N of push force at 0.5 MPa is insufficient, stepping up to the 50mm bore yields 982N. Conversely, dropping to the 32mm bore provides 402N for lighter duties. This 500mm stroke is substantial; an unsupported rod of this length is prone to bending under side loads. To prevent premature seal wear and rod-bearing failure, guide the load externally or select a dedicated guided cylinder.
As a dimensionally interchangeable ISO 15552 cylinder, this model serves as a direct replacement for other standard profile cylinders. It uses a PT G1/4 port, accepts standard mounting accessories like FA flanges or TC trunnions, and operates effectively between 30-800 mm/s. Note that the adjustable air cushions at both ends only decelerate the piston near stroke end; they do not lock the load if air pressure is removed.
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 SAI40BX500 FAQ
At 0.5 MPa operating pressure, this 40mm bore cylinder provides 628N of push force and 528N of pull force. At 0.7 MPa, the push force increases to 879N.
Yes, the SAI40X500 is dimensionally interchangeable per ISO 15552 standards. It matches the standard mounting footprint and G1/4 port size, allowing it to serve as a direct replacement for other ISO 15552 profile cylinders.
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