Airtac AIRTAC SC125-160 Standard Cylinder SC125X75FA
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X75FA is a genuine double-acting standard air cylinder with a Ø125mm bore and 75mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke75 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X75FA
The SC125X75FA is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 125 mm bore with a 75 mm stroke. This configuration delivers a substantial push force of 6136 N at 0.5 MPa, scaling up to 11045 N at the maximum operating pressure of 0.9 MPa, making it suitable for heavy-duty clamping and pressing tasks.
This model is equipped with an FA front rectangular flange (accessory F-SC125FA) for secure end-face mounting. The 32 mm diameter piston rod with M27x2 thread provides robust linear guidance, while the 28 mm adjustable air cushion at each end decelerates the piston smoothly. Operating on filtered air from 0.15 to 1.0 MPa, it conforms to the ISO 6430 class for larger bore cylinders.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X75FA Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X75FA |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 75 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 SC125X75FA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×75 | 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 SC125X75FA Is Used
Material Handling & Transfer
The 75 mm stroke with 6136 N push force efficiently transfers heavy parts between conveyor lines or lifts and positions components in assembly stations.
Heavy-Duty Clamping
Ideal for pneumatic presses and welding fixtures where a high clamping force must be applied over a short, precise distance to hold large workpieces securely.
Forming & Bending
Provides the controlled, powerful linear motion needed for metal forming, bending, or stamping operations, with the front flange ensuring rigid alignment to the tooling.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X75FA the Right Cylinder?
When selecting a cylinder for a 125 mm bore application, consider the force requirements. The SC125 delivers 6136 N pushing at 0.5 MPa. If your load is lighter, stepping down to an SC100 bore reduces the force to 3927 N, potentially saving on air consumption and space. For higher force needs, the SC160 bore offers 10053 N at the same pressure.
For replacement, ensure an exact match across five key points: 125 mm bore, 75 mm stroke, PT port thread, FA front flange mounting, and the standard TPU seal. This cylinder is not an ISO 15552 profile unit; it is a tie-rod design that is shorter in overall length, so dimensional interchangeability is limited to another AirTAC SC of the same specification.
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 SC125X75FA FAQ
The theoretical push force at 0.5 MPa (5 bar) is 6136 N, and the pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 11045 N. The maximum static force at 1.0 MPa is 1251 kgf.
No. The AirTAC SC series is a tie-rod cylinder with a shorter overall body length than a standard ISO 15552 profile cylinder. It is not dimensionally interchangeable. For a direct replacement, match the bore, stroke, PT ports, and FA front flange mount with another SC series cylinder.
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