Airtac SAI125 Standard Air Cylinder SAI125BX160
The AirTAC Airtac SAI125 Standard Air Cylinder SAI125BX160 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 160mm 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
- Stroke160 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAI125 Standard Air Cylinder SAI125BX160
The AirTAC SAI125X160 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Delivering a robust 6136 N push force at 0.5 MPa, this 125 mm bore unit handles substantial loads effortlessly across its 160 mm stroke. The extruded aluminum barrel design omits tie-rods, providing a clean exterior that simplifies mounting and sensor placement.
Configured here with a SUS304 stainless steel piston rod (material code B), it offers superior corrosion resistance for harsh or washdown environments. Fluid ports feature PT tapered threads, and while this specific unit lacks a magnet, the barrel retains dual-side sensor grooves for future CMSE or DMSE switch integration if needed.
Airtac SAI125 Standard Air Cylinder SAI125BX160 Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125BX160 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 160 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 SAI125BX160
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×160 | 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 SAI125BX160 Is Used
Heavy Stamping
Provides the high thrust necessary for forming and stamping rigid metal components in automated fabrication lines.
Large Press Feed
Actuates heavy-duty feeding mechanisms and material grippers that require substantial pull force to move bulk stock.
Pallet Handling
Lifts and positions fully loaded pallets within packaging and distribution centers where high force output is mandatory.
Is the Airtac SAI125 Standard Air Cylinder SAI125BX160 the Right Cylinder?
Select this 125 mm bore when 100 mm cylinders (providing 3927 N at 0.5 MPa) lack the thrust for moving heavy platens, but a 160 mm bore (10053 N) would be physically oversized. Because the 160 mm stroke is relatively short for this bore, side-load stress on the rod bearing is minimal compared to longer strokes. However, always verify that external loads are guided to prevent premature seal wear.
As a dimensionally interchangeable ISO 15552 cylinder, it serves as a direct drop-in replacement for other standard profile cylinders with matching 125 mm bore, 160 mm stroke, G1/2 ports, and mounting accessories like the TC trunnion or LB foot. Note that standard SAI cylinders rely on adjustable air cushions to decelerate the piston at stroke ends; they do not hold loads pneumatically. If your application requires position holding upon air loss, specify the SAIL variant with an air-released lock or the BSAI clamp-lock version.
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 SAI125BX160 FAQ
At 0.5 MPa operating pressure, this 125 mm bore cylinder generates 6136 N of push force and 5734 N of pull force. If pressure is increased to 0.7 MPa, the push force rises to 8590 N.
Yes, the SAI125X160 is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other standard profile cylinders with the same 125 mm bore, 160 mm stroke, and G1/2 port size.
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