Airtac AIRTAC SC125-160 Standard Cylinder SC125X80
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X80 is a genuine double-acting standard air cylinder with a Ø125mm bore and 80mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke80 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X80
The AirTAC SC125X80 is a double-acting tie-rod cylinder with a 125 mm bore and 80 mm stroke, delivering a substantial 6136 N of push force at 0.5 MPa (11045 N at the 0.9 MPa maximum operating pressure). This ISO 6430 class cylinder uses a 32 mm diameter piston rod with an M27x2 knuckle thread and PT1/2 ports, making it suitable for heavy linear actuation tasks.
With a body length A of 203 mm, the total extended length is approximately 283 mm. The adjustable pneumatic cushion (28 mm length) decelerates the piston smoothly at stroke end, reducing impact and noise. The standard TPU seals provide reliable operation from -20 to +70 °C.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X80 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X80 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 80 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 SC125X80
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×80 | 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 SC125X80 Is Used
Heavy Press & Clamping
The 11045 N maximum thrust at 0.9 MPa makes this cylinder ideal for hydraulic-replacement clamping fixtures, stamping presses, and heavy-duty assembly jigs where high force in a compact stroke is essential.
Material Handling Gates
Use the SC125X80 to actuate diverter gates or heavy chute flaps on conveyors. The 80 mm stroke provides a decisive push, while the adjustable cushion protects the end-cap from repeated impact.
Industrial Machinery Actuation
Commonly deployed in packaging machines, textile equipment, and woodworking machinery, this ISO 6430 class cylinder offers robust tie-rod construction and reliable double-acting performance for demanding factory environments.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X80 the Right Cylinder?
This 125 mm bore model generates 6136 N at 0.5 MPa. If your load requires less force, the 100 mm bore SC100 series offers 3927 N at the same pressure, while the 160 mm bore SC160 steps up to 10053 N. Always match bore, stroke, PT1/2 port thread, and mounting accessory when replacing an existing SC cylinder.
For strokes of 300 mm or more, consider an external guide or guided cylinder to protect the 32 mm rod from bending under side load. The SC125X80 uses a basic mount; add an F-SC125LB foot mount, F-SC125FA/FB flange, or F-SC125TC centre trunnion if your application requires a specific mounting style.
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 SC125X80 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, push force reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
No. The SC series is a tie-rod cylinder and is shorter than an ISO 15552 profile cylinder, so it is not dimensionally interchangeable. It is an ISO 6430 class cylinder (big bore). Only replace another AirTAC SC tie-rod cylinder with the same 125 mm bore, 80 mm stroke, PT1/2 ports, and matching mounting.
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