Airtac SAI40 Standard Air Cylinder SAI40X165
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X165 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 165mm 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
- Stroke165 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 SAI40X165
The AirTAC SAI40X165 is a double-acting ISO 15552 profile cylinder engineered to deliver 628 N of push force at 0.5 MPa and 879 N at 0.7 MPa. Its 165 mm stroke provides the precise mid-range extension needed for automated assembly and packaging machinery.
This unit features a standard carbon steel piston rod and tapered PT port threads. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily mount CMSE or DMSE switches if a magnet is added later. For higher thermal demands, the standard TPU seals can be swapped for Viton (H) or NBR (N) variants.
Airtac SAI40 Standard Air Cylinder SAI40X165 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40X165 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 165 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 SAI40X165
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×165 | 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 SAI40X165 Is Used
Package Sorting Diverter
Provides the 628 N push force at 0.5 MPa needed to reliably divert medium-weight cardboard cartons on a high-speed sorting conveyor.
Component Clamping Fixture
Utilizes the 165 mm stroke to extend and clamp aluminum housings securely during CNC machining operations.
Pneumatic Pressing Station
Delivers consistent downward pressure for pressing small bearings into housings without requiring a full hydraulic system.
Is the Airtac SAI40 Standard Air Cylinder SAI40X165 the Right Cylinder?
Select this 40 mm bore when an application requires more power than a 32 mm bore (402 N at 0.5 MPa) but lacks the physical space for a 50 mm option (982 N at 0.5 MPa). The 165 mm stroke keeps the rod bearing load relatively low, but always ensure the load is axially aligned to prevent premature seal wear.
As a dimensionally interchangeable ISO 15552 cylinder, this model serves as a drop-in replacement for other standard profile cylinders with matching 40 mm bore, 165 mm stroke, G1/4 port, and mounting accessories like FA flanges or LB foot brackets. Note that standard SAI cylinders do not hold position unpowered; if pneumatic failure occurs, the rod will drift. Use a SAIL variant or external check valve for load holding.
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 SAI40X165 FAQ
This 40 mm bore cylinder generates 628 N of push force and 528 N of pull force at 0.5 MPa. At 0.7 MPa, the push force increases to 879 N.
Yes, the SAI40X165 is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other ISO 15552 profile cylinders with the same 40 mm bore, 165 mm stroke, and G1/4 port.
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