Airtac SC80 Standard Cylinder SC80X50H
The AirTAC Airtac SC80 Standard Cylinder SC80X50H 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 SC80X50H
The SC80X50H is a double-acting pneumatic cylinder with an 80 mm bore and a 50 mm stroke, built on the compact AirTAC SC tie-rod platform. Its Viton (FKM) seals shift the operating temperature window to 0–150 °C, making it suitable for autoclaves, drying tunnels, and hot-process machinery where standard TPU would degrade.
With a 25 mm piston rod and PT3/8 ports, this model generates 2513 N of push force at 0.5 MPa and up to 4523 N at the 0.9 MPa maximum operating pressure. The 28 mm adjustable air cushion at each end decelerates the piston smoothly, while the 182 mm body length keeps the overall envelope compact for short-stroke clamping and ejector tasks.
Airtac SC80 Standard Cylinder SC80X50H Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X50H |
|---|---|
| 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 SC80X50H
| 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 SC80X50H Is Used
Hot-Press Clamping
Viton seals handle 0–150 °C, so the SC80X50H reliably clamps workpieces in heated laminating or thermoforming presses without seal swelling.
Autoclave Door Actuation
Short 50 mm stroke and high push force at 0.5 MPa suit sterilizer door locks and gasket-compression mechanisms exposed to steam cycles.
Hot-Runner Ejectors
Delivers 2513 N at 0.5 MPa in injection-mould hot-runner systems where compact stroke and sustained high-temperature tolerance are essential.
Is the Airtac SC80 Standard Cylinder SC80X50H the Right Cylinder?
Choose the SC80X50H when you need a short 50 mm stroke with high force in a hot environment. If 2513 N at 0.5 MPa is more than required, stepping down to the 63 mm bore (1559 N at 0.5 MPa) reduces air consumption and cost. For higher force, the 100 mm bore delivers 3927 N at 0.5 MPa.
This cylinder is a direct replacement only for another AirTAC SC80 tie-rod unit with matching 80 mm bore, 50 mm stroke, PT3/8 ports, basic (no bracket) mounting, and the same Viton seal option. Always verify port thread type (PT vs. G) and magnet requirement before ordering.
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 SC80X50H FAQ
At 0.5 MPa the cylinder pushes with 2513 N and pulls with 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.
No. The SC series is a tie-rod cylinder and is shorter than an ISO 15552 profile cylinder, so mounting dimensions and body length differ. It is a direct replacement only for another AirTAC SC80 with the same bore, stroke, port thread, and seal material.
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