Airtac SC80 Standard Cylinder SC80X50SFA
The AirTAC Airtac SC80 Standard Cylinder SC80X50SFA is a genuine double-acting standard air cylinder with a Ø80mm bore and 50mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke50 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X50SFA
The SC80X50SFA is a double-acting pneumatic cylinder delivering 2513 N of push force at 0.5 MPa (4523 N at 0.9 MPa). Its 50 mm stroke is ideal for short clamping, ejecting, and pressing tasks where a compact extended length of approximately 232 mm fits tight stations.
This model includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, enabling rod-position feedback without external brackets. The FA front rectangular flange (F-SC80FA) bolts rigidly to the rod-end surface, and the 25 mm diameter rod with PT3/8 ports handles rapid cycling at 30-800 mm/s.
Airtac SC80 Standard Cylinder SC80X50SFA Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X50SFA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 50 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 SC80X50SFA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×50 | 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 SC80X50SFA Is Used
Short-Stroke Clamping
The 50 mm stroke with 2513 N force securely clamps workpieces in CNC fixtures and welding jigs, with the front flange providing rigid, aligned mounting.
Part Ejection & Sorting
Fast 30-800 mm/s cycling pushes parts off conveyors or into lanes. The built-in magnet allows end-of-stroke sensing to confirm each ejection cycle.
Compact Press Operations
Delivers up to 4523 N at 0.9 MPa for light press-fit assembly, riveting, or staking in automated cells where a short, stiff cylinder is required.
Is the Airtac SC80 Standard Cylinder SC80X50SFA the Right Cylinder?
For higher force in the same mounting footprint, step up to the SC100 bore (3927 N at 0.5 MPa). If space is tight and 628 N suffices, the SC40 bore is a smaller alternative. Match replacements on five points: 80 mm bore, 50 mm stroke, PT port thread, FA front flange mounting, and the -S magnet for sensor compatibility. Any substitute must replicate the F-SC80FA flange pattern and the magnetic piston to retain sensor function.
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 SC80X50SFA FAQ
At 0.5 MPa, push force is 2513 N and pull force is 2268 N. At the maximum operating pressure of 0.9 MPa, push force reaches 4523 N. The theoretical maximum at 1.0 MPa is 513 kgf.
Yes. The -S suffix denotes a built-in magnet, so AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors clamp directly onto the tie-rod barrel to detect piston position. Without the -S option, the cylinder has no magnet and these sensors will not function.
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