Airtac AIRTAC SC125-160 Standard Cylinder SC125X240
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X240 is a genuine double-acting standard air cylinder with a Ø125mm bore and 240mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke240 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X240
The AirTAC SC125X240 is a double-acting tie-rod cylinder delivering 6136 N of push force at 0.5 MPa (11045 N at the maximum operating pressure of 0.9 MPa). Its 32 mm diameter piston rod and 28 mm adjustable air cushion are built into a robust 125 mm bore body with a total body length of 203 mm, making it a powerful workhorse for demanding linear applications.
With a 240 mm stroke, this ISO 6430 class cylinder is well-suited for medium-travel clamping, pressing, and material handling tasks. The standard PT1/2 ports and M27x2 rod thread ensure straightforward pneumatic connections and tooling attachment. The SC series tie-rod construction allows for easy maintenance and seal replacement in the field.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X240 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X240 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 240 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| 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, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (approx.) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac AIRTAC SC125-160 Standard Cylinder SC125X240
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×240 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac AIRTAC SC125-160 Standard Cylinder SC125X240 Is Used
Heavy Part Transfer
Pushes or lifts heavy components on conveyor systems or transfer lines, utilizing the 6136 N force at 0.5 MPa for reliable material handling.
Industrial Pressing
Provides the high, controlled force needed for pressing bearings, forming sheet metal, or compacting materials in a manufacturing cell.
Clamping & Fixturing
Secures large weldments or workpieces in heavy-duty fixtures, where the cylinder's robust tie-rod design withstands high cycle rates and side loads.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X240 the Right Cylinder?
Select the SC125X240 when your application requires a force class around 6136 N at standard shop air. If you need a more compact solution with slightly less force, consider stepping down to the 100 mm bore (3927 N at 0.5 MPa). For higher force requirements, the 160 mm bore model provides 10053 N at the same pressure. For this 240 mm stroke, ensure the load is guided and side forces are minimal; long, unsupported strokes on a single rod can create a bending moment on the rod bearing.
To ensure a perfect drop-in replacement, match these five points: a 125 mm bore, a 240 mm stroke, PT port thread, the specific mounting accessory (if any), and the magnet option. This basic model has no built-in magnet or mounting brackets, so verify your existing setup matches this configuration.
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 AIRTAC SC125-160 Standard Cylinder SC125X240 FAQ
At 0.5 MPa, the push force is 6136 N and the pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 11045 N. The theoretical maximum force at 1.0 MPa is 1251 kgf.
No. The AirTAC SC series is a tie-rod cylinder and is shorter than an ISO 15552 profile cylinder, so it is not dimensionally interchangeable. The 125 mm bore is built to an ISO 6430 class standard. For a direct replacement, match another AirTAC SC tie-rod cylinder with the same bore, stroke, and port thread.
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