Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10S 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 SCT80X10X10S
The SCT80X10X10S is a double-acting multi-position cylinder that delivers three precise, repeatable stop points from two 10 mm piston sections: fully retracted (0 mm), first section extended (10 mm), and both sections extended (20 mm total travel). With an 80 mm bore, each actuated section provides a push force of 2513 N at 0.5 MPa, rising to 4523 N at the 0.9 MPa maximum operating pressure, driven through a rigid 25 mm diameter rod.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors along the tie-rod barrel for non-contact position feedback. The body length A is 296 mm with a 28 mm adjustable air cushion at each end section, and it uses PT3/8 ports as standard. The operating temperature range is -20 to +70 °C with the default TPU seals.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10S |
|---|---|
| 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 SCT80X10X10S
| 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 SCT80X10X10S Is Used
Two-Stage Sorting Gate
Use the 10 mm and 20 mm positions to divert parts into three separate lanes on a conveyor. The short, discrete strokes ensure fast cycling and consistent gate alignment without overshoot.
Multi-Level Pressing
Apply a light pre-press at the 10 mm stop and a full-depth press at 20 mm. The 2513 N per-section force at 0.5 MPa handles consistent forming or insertion tasks with a defined two-depth sequence.
Sensor-Controlled Staging
With the built-in magnet, mount DMSG sensors to verify the 10 mm intermediate position and the 20 mm full-extension point, enabling a control system to confirm each stop before initiating the next machine sequence.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10S the Right Cylinder?
Choose the SCT tandem configuration when you need up to three fixed mechanical stops without the complexity of two separate cylinders and external hard stops. For a higher force at each stop, step up to the SCT100 series, where each section delivers 3927 N of push at 0.5 MPa. If a smaller footprint is required, the SCT63 bore provides 1559 N per section. A direct replacement must match the 80 mm bore, both 10 mm strokes, the PT3/8 port thread, and the -S magnet option. Basic mounting is supplied; FA, FB, CA, CB, or LB brackets can be added for panel, pivot, or foot mounting.
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 SCT80X10X10S FAQ
It provides three distinct mechanical stop positions: 0 mm (fully retracted), 10 mm (first section extended), and 20 mm (both sections extended, total travel). Because the two stroke lengths are equal, the 10 mm and 10 mm sections overlap, giving three unique rod-end locations.
Yes, it is designed to replace a back-to-back pair of cylinders in a tandem configuration, offering the same three discrete stops in a single, pre-aligned assembly. A replacement must match the 80 mm bore, both 10 mm strokes, the PT3/8 port thread, and the -S magnet option to ensure sensor compatibility.
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