Airtac SAI40 Standard Air Cylinder SAI40BX210
The AirTAC SAI40 Standard Air Cylinder SAI40BX210 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 210mm 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
- Stroke210 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 SAI40BX210
The AirTAC SAI40X210 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. This 40 mm bore unit features a 210 mm stroke, making it a solid choice for mid-range automation tasks requiring consistent linear motion.
Built with a SUS304 stainless steel rod for superior corrosion resistance, this model utilizes PT tapered port threads. The extruded aluminum barrel includes dual sensor grooves, allowing for straightforward position feedback when paired with compatible switches.
Airtac SAI40 Standard Air Cylinder SAI40BX210 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40BX210 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 210 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 SAI40BX210
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×210 | 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 SAI40BX210 Is Used
Component Clamping
Provides reliable 628 N clamping force at 0.5 MPa for securing medium-sized metal parts during machining operations.
Package Diverting
Actuates diverter arms on packaging lines, utilizing the 210 mm stroke to push cartons smoothly between lanes.
Material Ejection
Ejects molded parts from press machinery, taking advantage of the SUS304 rod's durability in humid environments.
Is the Airtac SAI40 Standard Air Cylinder SAI40BX210 the Right Cylinder?
Select this 40 mm bore when an application requires more power than a 32 mm cylinder (which provides 402 N at 0.5 MPa) but lacks the physical space for a 50 mm unit. Because the 210 mm stroke exceeds 300 mm, be mindful of side-load risks; using an external guide rail prevents rod-bearing bending and ensures smooth operation.
If your machinery requires the piston to maintain its position after air pressure is removed, note that the standard adjustable air cushion only decelerates the rod at stroke end. For true load holding, consider the SAIL variant with an air-released lock 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 SAI40BX210 FAQ
At an operating pressure of 0.5 MPa, the SAI40X210 generates 628 N of push force and 528 N of pull force. When pressure increases to 0.7 MPa, the push force reaches 879 N.
Yes, the SAI40X210 is dimensionally interchangeable per ISO 15552. It serves as a direct replacement for other ISO 15552 profile cylinders with matching 40 mm bore and 210 mm stroke specifications.
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1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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