Airtac SC80 Standard Cylinder SC80X50ST
The AirTAC Airtac SC80 Standard Cylinder SC80X50ST 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 SC80X50ST
The SC80X50ST is a double-acting tie-rod cylinder delivering 2513 N push force at 0.5 MPa (4523 N at 0.9 MPa). With a 50 mm stroke and 25 mm rod diameter, it suits short, high-force clamping and pressing tasks where space is limited.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG sensors to mount directly on the barrel for reliable end-of-stroke detection. The body length A is 182 mm, and the adjustable air cushion (28 mm) decelerates the piston smoothly at each end.
Airtac SC80 Standard Cylinder SC80X50ST Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X50ST |
|---|---|
| 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 SC80X50ST
| 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 SC80X50ST Is Used
Short-Stroke Clamping
The 50 mm stroke and 2513 N force at 0.5 MPa make it ideal for pneumatic clamping fixtures in machining and assembly cells.
Sensor-Monitored Pressing
The built-in magnet enables CMSG/DMSG sensors to confirm full extension and retraction in automated pressing or staking operations.
Part Stops & Diverters
Delivers a fast, firm stop action on conveyor lines. The adjustable cushion reduces impact noise at the end of the 50 mm travel.
Is the Airtac SC80 Standard Cylinder SC80X50ST the Right Cylinder?
Choose the SC80 bore when 63 mm bore force (1559 N at 0.5 MPa) is marginal. If the application needs even higher force, step up to the SC100 bore (3927 N at 0.5 MPa). For this 50 mm stroke, side loading is rarely an issue, but always align the rod axis with the load to protect the rod bearing.
To match an existing SC80X50ST, confirm five points: 80 mm bore, 50 mm stroke, PT1/4 port thread, built-in magnet (-S), and basic mounting (no bracket). The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC80X50ST 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, push force reaches 4523 N.
Yes. The -S suffix indicates a built-in magnet. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the barrel to detect piston position.
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