Airtac SC80 Standard Cylinder SC80X125FA
The AirTAC Airtac SC80 Standard Cylinder SC80X125FA is a genuine double-acting standard air cylinder with a Ø80mm bore and 125mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke125 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X125FA
The SC80X125FA is an 80 mm bore double-acting pneumatic cylinder with a 125 mm stroke, pre-assembled with a front rectangular flange (FA) for direct panel mounting. At 0.5 MPa it generates 2513 N of push force, and at the maximum operating pressure of 0.9 MPa the thrust reaches 4523 N, driven by a 25 mm diameter piston rod.
The cylinder body length is 182 mm, giving a compact extended length of 307 mm. It uses PT1/8 ports and features an adjustable air cushion (28 mm length) to decelerate the piston smoothly at end of stroke. The standard TPU seals suit a working temperature range of -20 to +70 °C.
Airtac SC80 Standard Cylinder SC80X125FA Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X125FA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (approx.) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC80 Standard Cylinder SC80X125FA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×125 | 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 SC80 Standard Cylinder SC80X125FA Is Used
Fixture Clamping
The front flange allows rigid mounting to a machine frame, making the 2513 N force ideal for holding workpieces during machining or assembly operations.
Part Stops and Gates
Deploy the 125 mm stroke to raise and lower a mechanical stop or diverter gate on a conveyor line, controlling the flow of packages or pallets.
Press and Forming Tools
The 4523 N maximum thrust at 0.9 MPa suits light press-fit insertion, riveting, or bending tools where a compact, flange-mounted cylinder is required.
Is the Airtac SC80 Standard Cylinder SC80X125FA the Right Cylinder?
Choose the SC80 when your application needs the force class between the SC63 (1559 N push at 0.5 MPa) and the SC100 (3927 N). The 25 mm rod provides good rigidity for the 125 mm stroke, but if the load creates a side force or the stroke is extended later, consider adding an external guide to protect the rod bearing from bending stress.
For a direct replacement, match five points: 80 mm bore, 125 mm stroke, PT port thread, the FA front flange mount (accessory F-SC80FA), and the absence of a magnet. This cylinder does not include a built-in magnet, so if you need position sensing, select the -S variant or use external limit switches.
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 SC80 Standard Cylinder SC80X125FA FAQ
At 0.5 MPa, the push force is 2513 N and the pull force is 2268 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 4523 N. The theoretical maximum at 1.0 MPa is 513 kgf.
No. The SC series is a tie-rod cylinder with a shorter body length than an ISO 15552 profile cylinder, so the mounting dimensions and overall length are not interchangeable. It is a direct match only for another AirTAC SC80 cylinder with an FA front flange.
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