Airtac SAI40 Standard Air Cylinder SAI40BX65S
The AirTAC SAI40 Standard Air Cylinder SAI40BX65S 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- 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 SAI40BX65S
The AirTAC SAI40X65-S is a double-acting ISO 15552 profile cylinder featuring a 40mm bore and a 65mm stroke. Because 65mm is not a standard catalog length, this specific unit is manufactured as a made-to-order stroke to fit precise machinery spacing requirements. It delivers a robust push force of 879N at 0.7 MPa, making it well-suited for moderate-duty positioning tasks.
This variant is configured with a SUS304 stainless steel piston rod (material code B) for superior corrosion resistance in washdown or chemically exposed settings. It includes a standard magnet (-S) allowing seamless integration with CMSE or DMSE reed sensors via the dual-sided extruded aluminum barrel groove. Fluid ports are PT tapered thread type, ensuring a secure, sealed pneumatic connection.
Airtac SAI40 Standard Air Cylinder SAI40BX65S Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40BX65S |
|---|---|
| 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 SAI40BX65S
| 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 SAI40BX65S Is Used
Component Clamping
Provides 879N of clamping force at 0.7 MPa to hold aluminum or steel workpieces securely during CNC milling and drilling operations.
Package Diverting
Uses the precise 65mm stroke to actuate routing gates on packaging lines, pushing products into secondary sorting channels.
Washdown Ejection
The SUS304 rod and PT tapered ports withstand moisture-rich environments, reliably ejecting molded parts from food-grade production machinery.
Is the Airtac SAI40 Standard Air Cylinder SAI40BX65S the Right Cylinder?
If your application requires slightly less force, stepping down to a 32mm bore yields 563N at 0.7 MPa, while stepping up to a 50mm bore provides 1374N at 0.7 MPa for heavier loads. Because the 65mm stroke is non-standard, verify your mounting footprint allows for the exact extended and retracted lengths.
As a true ISO 15552 profile cylinder, this model serves as a dimensionally interchangeable direct replacement for other ISO 15552 cylinders without claiming brand equivalence. To mount this unit, utilize standard ISO accessories like FA/FB flanges or LB foot brackets, and ensure you specify the -S magnet and PT port configuration when ordering. Note that a standard double-acting cylinder will drift if air pressure is lost; if your machine needs static position holding, consider the SAIL locking variant or an external pilot-operated check valve.
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 SAI40BX65S FAQ
At an operating pressure of 0.7 MPa, this 40mm bore cylinder generates 879N of push force and 735N of pull force. Maximum theoretical force at 1.0 MPa is 128 kgf.
Yes, the SAI series is a genuine ISO 15552 profile cylinder. Its standardized mounting dimensions make it a direct replacement for other ISO 15552 cylinders, though you must match the PT port and 40mm bore specifications.
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1-Year Warranty
Covers non-human-caused product damage.
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