Airtac SC80 Standard Cylinder SC80X800H
The AirTAC Airtac SC80 Standard Cylinder SC80X800H is a genuine double-acting standard air cylinder with a Ø80mm bore and 800mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke800 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X800H
The SC80X800H is a double-acting pneumatic cylinder with an 80 mm bore and 800 mm stroke, built on the rugged AirTAC SC tie-rod platform. Its Viton (FKM) seals shift the operating temperature range to 0–150 °C, making it suitable for autoclaves, foundries, and drying lines where standard polyurethane would degrade. At 0.5 MPa it pushes with 2513 N, and at the maximum 0.9 MPa operating pressure it develops 4523 N of linear thrust.
This model uses a 25 mm diameter piston rod with M20x1.5 male threads and PT3/8 ports. The adjustable pneumatic cushion at each end (28 mm length) decelerates the piston to soften end-of-stroke impact, protecting tooling at higher speeds. The body length A is 182 mm, giving a total extended length of approximately 982 mm. For strokes of this length, external guides or a guided cylinder are recommended to protect the rod from bending under side load.
Airtac SC80 Standard Cylinder SC80X800H Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X800H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 800 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 SC80X800H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×800 | 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 SC80X800H Is Used
High-Temperature Actuation
Viton seals allow continuous operation up to 150°C, making the SC80X800H ideal for autoclave door cylinders, hot-press clamps, and kiln damper actuators where standard seals would fail prematurely.
Long-Stroke Material Pusher
With 800 mm of travel and 4523 N of force at 0.9 MPa, this cylinder can push heavy bins or pallets across a roller conveyor. Pair with an external guide rail to handle off-axis loads.
Tie-Rod Press Frame
The SC80 tie-rod design is serviceable and robust. Use this 800 mm stroke unit in a dedicated press for inserting bushings or bearings, where the adjustable cushion protects the tooling at the end of each cycle.
Is the Airtac SC80 Standard Cylinder SC80X800H the Right Cylinder?
Choose the SC80 bore when your application needs between 2513 N and 4523 N of push force (0.5–0.9 MPa). If you can accept a smaller envelope and lower force, stepping down to an SC63 delivers 1559 N at 0.5 MPa. For higher force without increasing pressure, the SC100 bore provides 3927 N at the same 0.5 MPa. At 800 mm stroke, the unsupported rod is vulnerable to side-load bending; add an external linear guide or switch to a guided cylinder if the load is not perfectly axial.
For a direct replacement, match five points: 80 mm bore, 800 mm stroke, PT3/8 port thread, the Viton seal designation (H), and the basic mounting style. This cylinder is not dimensionally interchangeable with ISO 15552 profiles; it replaces another AirTAC SC80 tie-rod cylinder of the same configuration.
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 SC80X800H FAQ
At 0.7 MPa (7 bar) supply pressure, the SC80 bore generates 3518 N of push force on the outstroke. The pull force on the retract stroke at the same pressure is 2268 N, due to the area lost to the 25 mm piston rod.
No. The SC80X800H is a double-acting cylinder and will not hold position if pressure is exhausted or the directional valve is centered. The adjustable air cushion only decelerates the piston at stroke end; it is not a locking or holding brake. For load holding without live pressure, you must add an external rod lock or a pilot-operated check valve.
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