Airtac SC80 Standard Cylinder SC80X250FA
The AirTAC Airtac SC80 Standard Cylinder SC80X250FA is a genuine double-acting standard air cylinder with a Ø80mm bore and 250mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke250 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
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About the Airtac SC80 Standard Cylinder SC80X250FA
The SC80X250FA is an 80 mm bore, 250 mm stroke double-acting pneumatic cylinder from the AirTAC SC tie-rod series. It generates a substantial 2513 N of pushing force at 0.5 MPa and up to 4523 N at 0.9 MPa, making it a strong mid-range actuator for industrial linear motion. This model features a 25 mm diameter piston rod and a PT3/8 port for reliable air supply.
Configured with an FA front rectangular flange (mounting accessory F-SC80FA), the cylinder body is rigidly fixed to a panel or machine frame at the rod end. The total extended body length is approximately 432 mm, based on a 182 mm base body length plus the 250 mm stroke. Its 28 mm adjustable air cushion at each end helps decelerate the piston smoothly, reducing end-of-stroke impact.
Airtac SC80 Standard Cylinder SC80X250FA Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X250FA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 250 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 SC80X250FA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×250 | 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 SC80X250FA Is Used
Part Transfer
The 250 mm stroke and front flange mount are ideal for pushing or lifting components between conveyor lines or onto a pallet, providing a stable, fixed actuation point.
Clamping & Pressing
With 4523 N of force at 0.9 MPa, this cylinder delivers the high thrust needed for pneumatic clamping fixtures, light assembly presses, or holding parts during machining.
Panel-Mounted Ejection
The FA front flange allows direct mounting through a bulkhead or machine panel, making it a clean solution for ejecting finished parts from a die or mold.
Is the Airtac SC80 Standard Cylinder SC80X250FA the Right Cylinder?
Select the SC80 when your application needs between roughly 2500 N and 4500 N of force from standard shop air. If your load is lighter, stepping down to an SC63 bore reduces air consumption while still providing 1559 N at 0.5 MPa. For heavier loads, the SC100 bore offers 3927 N at the same pressure.
For this 250 mm stroke, the 25 mm rod is generally robust, but always check for side loads. If the load is not guided externally, the rod bearing can experience high bending moments. For strokes of 300 mm or more, or any application with significant lateral force, use an external guide rail or switch to a guided cylinder to protect the rod and seals. When replacing this unit, match five key points: 80 mm bore, 250 mm stroke, PT port thread, FA front flange mounting, and the standard non-magnetic piston.
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 SC80X250FA FAQ
The theoretical pushing force is 2513 N at 0.5 MPa, 3518 N at 0.7 MPa, and 4523 N at the maximum operating pressure of 0.9 MPa. The pulling force on the return stroke is slightly lower due to the rod area, at 2268 N at 0.5 MPa.
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. You must replace it with another AirTAC SC tie-rod cylinder matching the 80 mm bore, 250 mm stroke, PT ports, and FA front flange mount.
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