Airtac SAI40 Standard Air Cylinder SAI40AX240
The AirTAC SAI40 Standard Air Cylinder SAI40AX240 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 240mm 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
- Stroke240 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 SAI40AX240
The AirTAC SAI40X240 is a double-acting ISO 15552 profile cylinder featuring a 40mm bore and 240mm stroke. It delivers a push force of 628 N and a pull force of 528 N at 0.5 MPa, making it a robust choice for medium-duty automation tasks.
This model is equipped with a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance in humid environments. It utilizes PT tapered port threads and includes adjustable air cushions at both ends to absorb impact energy smoothly.
Airtac SAI40 Standard Air Cylinder SAI40AX240 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40AX240 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 240 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 SAI40AX240
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×240 | 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 SAI40AX240 Is Used
Package Diversion
Ideal for routing packages on a 240mm stroke length, providing 628 N of push force to reliably divert medium-weight goods on material handling lines.
Component Clamping
Secures workpieces during machining operations. The SUS420J2 rod material withstands coolant exposure while maintaining precise clamping pressure.
Pallet Stopping
Acts as a pneumatic stop for lightweight pallets in fulfillment zones, decelerating smoothly at stroke end via the adjustable air cushions.
Is the Airtac SAI40 Standard Air Cylinder SAI40AX240 the Right Cylinder?
Select this 40mm bore when a 32mm cylinder (402 N push at 0.5 MPa) lacks thrust, but a 50mm bore (982 N) is excessive. Because the 240mm stroke exceeds 300mm? No, but it is long enough that side loads can strain the rod bearing; use external guide rails to prevent bending if heavy loads are attached.
For a direct replacement, match the 40mm bore, 240mm stroke, PT G1/4 port, and your required mounting accessory (like FA flange or LB foot). Note that a plain SAI does not hold position when air pressure is lost; use the SAIL lock variant if mid-stroke holding is required.
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 SAI40AX240 FAQ
At an operating pressure of 0.5 MPa, the SAI40X240 generates a push (extend) force of 628 N and a pull (retract) force of 528 N.
Yes. As a genuine ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders. Match the 40mm bore, 240mm stroke, and G1/4 port for a direct replacement.
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Covers non-human-caused product damage.
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