Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 10mm and 10mm give 3 controllable stop positions across a 20mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 110 mm
- Stroke 210 mm
- Total travel20 mm
- Positions3 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10
The SCT80X10X10 is an 80 mm bore multi-position pneumatic cylinder that provides three fixed stop locations along its stroke: fully retracted (0 mm), the first section extended (10 mm), and both sections extended for a total travel of 20 mm. Each piston section generates a push force of 2513 N at 0.5 MPa, making this compact tandem unit suitable for short-throw, high-force indexing tasks.
Built on a durable tie-rod construction with a 25 mm diameter piston rod and PT3/8 ports, the cylinder body has an A-length of 296 mm. It features an adjustable pneumatic cushion of 28 mm at each end to manage end-of-stroke impact, and operates across a standard temperature range of -20 to +70 °C with TPU seals.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 10 / 10 mm |
| Total travel | 20 mm |
| Stop positions | 3 positions |
| Acting type | Double acting (tandem, multi-position) |
| 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 / section | Up to 500 mm standard |
Specifications follow the official AirTAC SCT (multi-position) datasheet. SCT is available in bores 32–100; each of the two sections has a 500 mm max standard stroke (800 mm max). Confirm against the product label before installation. Thread options: PT (standard) / G.
Stop Positions (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 10 mm |
| P2 (both extended) | 20 mm |
Positions are set by pressurising section 1, section 2, or both. With equal strokes you get 3 distinct positions; with unequal strokes you get 4.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Force is per actuated piston section (single-piston, same as the SC bore): push uses the full bore area, pull subtracts the rod area. Size with a safety margin.
Model Code: Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×10 | Stroke 1 (section 1) in mm. |
| ×10 | Stroke 2 (section 2) in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCD (double rod), SCJ (adjustable stroke). SCT mounting: Basic, FA, FB, CA, CB, LB. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10 Is Used
Two-Stop Precision Press
Provides a high-force initial approach at 10 mm and a final press position at 20 mm, ideal for inserting two components to different depths in a single cycle.
Compact Diverter Gate
Uses the 10 mm and 20 mm positions to actuate a small diverter gate to two distinct angles, sorting parts on a high-speed conveyor line.
Short-Stroke Clamping Fixture
Applies 2513 N of clamping force at a 10 mm standoff and a secondary 20 mm position for part ejection, all within a tight machine envelope.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10 the Right Cylinder?
This SCT model is ideal when an application requires a short, two-step extension with high force but space constraints prevent using two separate 80 mm bore cylinders. If the force requirement is lower, stepping down to a 63 mm bore (1559 N push at 0.5 MPa) can reduce air consumption and physical size. For a direct replacement, match the 80 mm bore, both 10 mm strokes, PT port thread, and basic mounting configuration.
Given the short 10 mm strokes, rod bending from side loads is typically not a primary concern, but any external guidance should still be aligned to prevent seal wear on the 25 mm rod.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 10 + 10 mm suit your layout?
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Plumb the two sections to the correct valves for each stop.
- check Adjust end cushion screws for smooth stops.
- check Use SCT mounting accessory (FA / FB / CA / CB / LB).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10 FAQ
This tandem cylinder has three distinct positions: 0 mm (fully retracted), 10 mm (first section extended), and 20 mm (both sections extended for total travel).
Yes, if your sequence requires two fixed 10 mm steps. The SCT integrates both strokes on one rod line, saving space and simplifying plumbing compared to two separate cylinders, provided the per-section force of 2513 N at 0.5 MPa is sufficient.
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