Airtac SC80 Standard Cylinder SC80X591
The AirTAC Airtac SC80 Standard Cylinder SC80X591 is a genuine double-acting standard air cylinder with a Ø80mm bore and 591mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke591 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X591
The AirTAC SC80X591 is an 80 mm bore double-acting pneumatic cylinder with a 591 mm stroke, built in the compact tie-rod SC series. It produces 2513 N pushing force at 0.5 MPa and 4523 N at the maximum operating pressure of 0.9 MPa, driven by a 25 mm diameter piston rod.
This model features an adjustable air cushion (28 mm length) at both ends to decelerate the piston smoothly, reducing end-of-stroke impact. The body length A is 182 mm, giving an approximate total extended length of 773 mm. Ports are PT3/8 and the rod thread is M20x1.5. Standard operating temperature range is -20 to +70 °C with TPU seals.
Airtac SC80 Standard Cylinder SC80X591 Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X591 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 591 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 SC80X591
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×591 | 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 SC80X591 Is Used
Pallet Stop & Transfer
Raises and lowers pallet stops on gravity or powered roller conveyors. The 2513 N push force at 0.5 MPa handles heavy pallet engagement reliably.
Press-Fit Assembly
Provides the controlled linear force needed for pressing bearings, bushings, or dowels into housings. The adjustable cushion protects tooling at the end of the 591 mm stroke.
Baler & Compactor Gate
Actuates a discharge gate or compaction door on recycling balers. The 80 mm bore supplies ample force to shear through compacted material without stalling.
Is the Airtac SC80 Standard Cylinder SC80X591 the Right Cylinder?
Choose the SC80X591 when your application needs roughly 2500 N of force at standard plant air pressure. If you require less force, the 63 mm bore SC63 series provides 1559 N push at 0.5 MPa; for significantly higher force, step up to the SC100 bore delivering 3927 N at the same pressure.
For this 591 mm stroke, ensure side loads are minimal or use an external guide. Long unsupported strokes on a 25 mm rod can experience bending under offset loads. For replacement, match five points exactly: 80 mm bore, 591 mm stroke, PT3/8 port thread, basic mounting (no bracket), and no magnet. This 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 SC80X591 FAQ
At 0.5 MPa, the push force is 2513 N and the pull force is 2268 N. At 0.7 MPa, push force increases to 3518 N. The maximum operating force at 0.9 MPa is 4523 N push.
No. The SC80X591 is a double-acting cylinder and will drift or drop if air pressure is lost or the directional valve is centered. To hold a load safely without live pressure, you must add an external rod lock, a pilot-operated check valve, or a mechanical brake.
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