Airtac SAI125 Standard Air Cylinder SAI125AX230S
The AirTAC Airtac SAI125 Standard Air Cylinder SAI125AX230S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 230mm 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
- Stroke230 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAI125 Standard Air Cylinder SAI125AX230S
The AirTAC SAI125X230-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 actuator handles demanding industrial workloads. The 230 mm stroke is a made-to-order dimension tailored for specific mid-range travel requirements without compromising the standardized mounting interface.
Equipped with a magnetic piston (-S), it supports CMSE and DMSE sensor switches via the dual extruded grooves on the aluminum barrel. This specific configuration utilizes SUS420J2 stainless steel for the piston rod (material code A), offering superior corrosion resistance compared to standard carbon steel. The fluid ports feature PT tapered threads, and the cylinder includes adjustable air cushions at both ends to smooth out high-impact strokes.
Airtac SAI125 Standard Air Cylinder SAI125AX230S Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125AX230S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 230 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 SAI125AX230S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×230 | 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 SAI125AX230S Is Used
Heavy Stamping Presses
Provides the high 6136 N push force necessary to actuate heavy stamping dies and form metal components securely.
Large Material Clamping
Ideal for securing bulky workpieces during machining, utilizing the SUS420J2 stainless rod to resist environmental corrosion.
Pallet Diverters
Drives robust diverting arms on high-mass pallet conveyors, relying on dual-end cushions to absorb kinetic energy.
Is the Airtac SAI125 Standard Air Cylinder SAI125AX230S the Right Cylinder?
Selecting this 125 mm bore is ideal when 80 mm falls short—yielding 2513 N at 0.5 MPa—or when 100 mm (3927 N) cannot overcome your process friction. Because the 230 mm stroke is non-standard, expect a made-to-order lead time. For applications needing positive load holding during air loss or valve centering, note that the standard adjustable cushion only decelerates the piston and does not act as a brake; consider the SAIL or BSAI locking variants for fail-safe requirements.
When replacing an existing ISO 15552 cylinder, verify the 125 mm bore, 230 mm stroke, PT G1/2 port size, and mounting accessory type (such as TC trunnion or FA flange). The integrated magnet (-S) ensures seamless compatibility with reed or solid-state position sensing.
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 SAI125AX230S FAQ
At 0.5 MPa operating pressure, this 125 mm bore cylinder provides 6136 N of push force and 5734 N of pull force. At 0.7 MPa, the push force increases to 8590 N.
Yes. The SAI series is dimensionally interchangeable per ISO 15552. Ensure you match the 125 mm bore, 230 mm stroke, G1/2 port, and mounting hardware for a seamless drop-in replacement.
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