Airtac SAI125 Standard Air Cylinder SAI125X110S
The AirTAC Airtac SAI125 Standard Air Cylinder SAI125X110S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 110mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ125 mm
- Stroke110 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAI125 Standard Air Cylinder SAI125X110S
The AirTAC SAI125X110-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Delivering a robust 6136 N of push force at 0.5 MPa, this 125 mm bore unit utilizes a 110 mm stroke to drive substantial loads with precision. Its extruded aluminum barrel omits traditional tie-rods, presenting a clean profile that is dimensionally interchangeable per ISO 15552 standards.
This specific configuration includes a magnetic piston, enabling seamless integration with CMSE and DMSE series reed switches for end-of-stroke confirmation. The standard carbon steel piston rod offers high tensile strength for demanding cycles, while the integrated adjustable air cushions at both ends ensure smooth deceleration of heavy masses moving at speeds up to 500 mm/s.
Airtac SAI125 Standard Air Cylinder SAI125X110S Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125X110S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 110 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI125 Standard Air Cylinder SAI125X110S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×110 | 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 SAI125 Standard Air Cylinder SAI125X110S Is Used
Automotive Stamping
Provides the 6136 N push force required to actuate heavy metal stamping and forming presses within automotive assembly lines.
Heavy Material Lift
Lifts and transfers substantial pallets or machinery components, utilizing the 110 mm stroke and adjustable cushions to prevent impact damage.
Bulk Sorting Gate
Diverts heavy bulk goods or large packages on conveyor systems, relying on magnetic switches to confirm gate position.
Is the Airtac SAI125 Standard Air Cylinder SAI125X110S the Right Cylinder?
Selecting this 125 mm bore over the adjacent 100 mm variant is justified when your application requires a significant thrust upgrade, jumping from 3927 N to 6136 N at 0.5 MPa. Conversely, if spatial constraints or lower air consumption are priorities, stepping down to the 100 mm bore is advisable. The PT tapered port thread guarantees a tight, reliable pneumatic seal in high-flow systems.
Because this model features a magnetic piston (-S), it is fully primed for position feedback via CMSE or DMSE sensors housed in the dual barrel grooves. Note that the adjustable cushions only decelerate the piston near stroke ends; they do not hold a load. If your process demands fail-safe position holding upon air loss, specify the SAIL (air-released lock) or BSAI (bidirectional clamp-lock) variant instead.
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 SAI125 Standard Air Cylinder SAI125X110S FAQ
At a 0.5 MPa operating pressure, this 125 mm bore cylinder generates 6136 N of push force and 5734 N of pull force. It can achieve up to 8590 N push force at 0.7 MPa.
Yes. The SAI125X110-S is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with older ISO 6431 or VDMA 24562 mounting interfaces for seamless drop-in replacement.
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