Airtac SAI125 Standard Air Cylinder SAI125BX190S
The AirTAC SAI125 Standard Air Cylinder SAI125BX190S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 190mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ125 mm
- Stroke190 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 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 SAI125 Standard Air Cylinder SAI125BX190S
The AirTAC SAI125X190-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. It provides a robust push force of 6136 N and a pull force of 5734 N at 0.5 MPa, making it well-suited for high-thrust pressing and heavy load transfer over its 190 mm stroke. As a standardized profile barrel design, it offers direct dimensional interchangeability with other ISO 15552 cylinders without relying on external tie-rods.
This specific configuration includes a SUS304 stainless steel piston rod (material code B) for superior corrosion resistance in harsh environments. It is built with a magnet (-S) for direct integration with CMSE or DMSE sensor switches, which seat neatly into the dual grooves machined into the extruded aluminum barrel. Fluid ports feature a PT tapered thread type, and the standard TPU seals handle operating pressures from 0.15 to 1.0 MPa.
Airtac SAI125 Standard Air Cylinder SAI125BX190S Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125BX190S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 190 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 SAI125BX190S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×190 | 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 SAI125BX190S Is Used
Heavy-Duty Pressing
Applies 6136 N of thrust at 0.5 MPa for seating bearings, stamping components, or forming light-gauge materials in automated fabrication lines.
Injection Mold Extraction
Utilizes the SUS304 rod and robust pull force to reliably extract heavy molded parts, resisting moisture and corrosive shop environments.
Pallet Diversion
Drives high-mass pallet stops and diverter arms on conveyor systems, using adjustable air cushions to soften end-of-stroke impacts.
Is the Airtac SAI125 Standard Air Cylinder SAI125BX190S the Right Cylinder?
Select this 125 mm bore when a 100 mm cylinder's 3927 N push force at 0.5 MPa is insufficient for your application. If your setup requires even less force, stepping down to an 80 mm bore yields 2513 N. Because this 190 mm stroke is below the 300 mm threshold, side-load stress on the rod bearing is minimal, though external guides are always recommended if the load is not perfectly axial. For operations that must maintain position during a loss of air pressure, note that the standard adjustable air cushions only decelerate the piston at stroke ends and do not function as a locking device; consider the SAIL variant for pneumatic locking or the BSAI for clamp-locking. To match this cylinder, specify the 125 mm bore, 190 mm stroke, PT port thread, and the -S magnet option.
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 SAI125BX190S FAQ
At 0.5 MPa, this cylinder provides a push force of 6136 N and a pull force of 5734 N. If operated at 0.7 MPa, the push force increases to 8590 N.
Yes, the SAI125X190-S is dimensionally interchangeable per ISO 15552. It shares the same mounting interface and profile barrel dimensions as other standard ISO 15552 cylinders, allowing direct replacement.
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