Airtac SAI40 Standard Air Cylinder SAI40BX750
The AirTAC SAI40 Standard Air Cylinder SAI40BX750 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 750mm 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
- Stroke750 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 SAI40BX750
The AirTAC SAI40X750 is a double-acting ISO 15552 profile cylinder engineered for extended linear travel. Delivering a push force of 628 N at 0.5 MPa, it provides reliable actuation over its 750 mm stroke.
This specific configuration utilizes a SUS304 stainless steel piston rod for superior corrosion resistance and includes PT tapered port threads. Because it lacks a standard magnet, position sensing requires external limit switches rather than groove-mounted sensors.
Airtac SAI40 Standard Air Cylinder SAI40BX750 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40BX750 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 750 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 SAI40BX750
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×750 | 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 SAI40BX750 Is Used
Long-Reach Diverting
Pushes packages across a wide conveyor belt during automated sorting operations, utilizing the full 750 mm stroke to bridge large transfer gaps.
Material Extrusion
Provides steady 628 N push force to guide or support lightweight extrusion profiles as they cool over an extended cooling bed.
Pallet Handling
Actuates mid-sized pallet stops or positioning gates in high-throughput distribution centers where a long extension is necessary.
Is the Airtac SAI40 Standard Air Cylinder SAI40BX750 the Right Cylinder?
Selecting this 40 mm bore unit makes sense when the 628 N push force at 0.5 MPa is required over a long 750 mm distance; stepping down to a 32 mm bore drops the output to 402 N. At 750 mm of travel, the unsupported piston rod is highly susceptible to bending under side loads. Employ an external guide rail or a dedicated guided cylinder to prevent rod-bearing damage and premature seal wear.
As a dimensionally interchangeable ISO 15552 component, it serves as a direct replacement for other standard profile cylinders matching the 40 mm bore, 750 mm stroke, G1/4 port, and your chosen mounting accessory. Note that standard air cushions only decelerate the piston at end-of-stroke; they will not hold a load vertically if air pressure is lost. For secure position holding without live pressure, 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 SAI40BX750 FAQ
At 0.5 MPa operating pressure, this 40 mm bore cylinder generates 628 N of push force and 528 N of pull force. If pressure is increased to 0.7 MPa, the push force rises to 879 N.
Yes. The SAI40X750 is a true ISO 15552 profile cylinder, making its mounting dimensions fully interchangeable with other ISO 15552 standard cylinders of the same bore and stroke. Always match your port and accessory requirements.
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