Airtac SC80 Standard Cylinder SC80X120SN
The AirTAC Airtac SC80 Standard Cylinder SC80X120SN is a genuine double-acting standard air cylinder with a Ø80mm bore and 120mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke120 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X120SN
The SC80X120SN is an 80 mm bore, 120 mm stroke double-acting pneumatic cylinder from the AirTAC SC tie-rod series. It generates a push force of 2513 N at 0.5 MPa and up to 4523 N at the maximum operating pressure of 0.9 MPa, driven by a 25 mm diameter piston rod.
This model includes a built-in magnet (-S suffix), enabling direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the barrel for contactless position detection. The NBR seal material (-N suffix) provides reliable sealing for standard industrial environments, while the PT1/4 port thread and 28 mm adjustable air cushion ensure smooth end-of-stroke deceleration.
Airtac SC80 Standard Cylinder SC80X120SN Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X120SN |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 120 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 SC80X120SN
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×120 | 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 SC80X120SN Is Used
Material Handling & Sorting
Provides the 2513 N push force needed to divert medium-weight packages or products on conveyor lines. The built-in magnet allows easy integration of position sensors for precise sequencing.
Clamping & Pressing Fixtures
Delivers up to 4523 N of clamping force at 0.9 MPa for holding workpieces during machining or assembly. The adjustable cushion protects the fixture from impact damage at high cycle rates.
Automated Gate & Valve Actuation
Operates slide gates, diverter valves, or hopper doors with a robust 25 mm rod. The NBR seals are suited for the frequent cycling and lubricated air common in these applications.
Is the Airtac SC80 Standard Cylinder SC80X120SN the Right Cylinder?
Select the SC80X120SN for applications requiring around 2500 N of force at standard line pressure. If your load exceeds 3500 N at 0.5 MPa, consider stepping up to the SC100 bore, which offers 3927 N. For lower force requirements, the SC63 bore provides 1559 N and a more compact body.
For a drop-in replacement, match these five points: 80 mm bore, 120 mm stroke, PT port thread, the built-in magnet (-S) for sensor compatibility, and the basic mounting configuration. Always verify that the tie-rod body length (A=182 mm) and the 25 mm rod diameter fit your machine’s envelope.
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 SC80X120SN FAQ
At 0.7 MPa operating pressure, the theoretical push force is 3518 N and the pull force on the retract stroke is 3175 N. For precise sizing, always factor in a safety margin for friction and side loads.
Yes. The -S suffix in the model code indicates a built-in magnet on the piston. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the barrel's sensor groove without any additional brackets.
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