Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X150X30
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X150X30 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 30mm give 4 controllable stop positions across a 180mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 1150 mm
- Stroke 230 mm
- Total travel180 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X150X30
The AirTAC SCT80X150X30 is a tandem multi-position cylinder that provides four fixed rod positions: fully retracted (0 mm), 30 mm, 150 mm, and the total travel of 180 mm. Each of the two piston sections, with a 25 mm rod and PT3/8 ports, generates 2513 N of push force at 0.5 MPa, giving predictable power for sequenced, two-depth operations.
With a 28 mm adjustable air cushion on each section, the cylinder decelerates the load smoothly at both intermediate and end-of-stroke positions. The tie-rod body construction has an overall length A of 296 mm, making it a compact solution for machines that need a short extension and a longer secondary stroke from a single actuator.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X150X30 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X150X30 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 150 / 30 mm |
| Total travel | 180 mm |
| Stop positions | 4 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 150 mm |
| P2 (section 2) | 30 mm |
| P3 (both extended) | 180 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 SCT80X150X30
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×30 | 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 SCT80X150X30 Is Used
Two-Depth Clamping
Use the 30 mm stroke for a light pre-clamp and the 150 mm stroke for full-power clamping, controlling both depths with a single tandem cylinder.
Part Diverting Gate
The 0, 30, 150, and 180 mm positions can direct parts to four different lanes on a conveyor, replacing multiple single-stroke actuators.
Staged Press-Fit Assembly
Sequence a 30 mm initial alignment stroke followed by a 150 mm press stroke, using the fixed mechanical stops for consistent insertion depth.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X150X30 the Right Cylinder?
Select the SCT80X150X30 when your process needs a short 30 mm positioning stroke and a longer 150 mm travel from one compact assembly, avoiding the cost and complexity of two separate 80 mm bore cylinders. If the 2513 N push force per section at 0.5 MPa is more than your application requires, stepping down to a 63 mm bore reduces the per-section push force to 1559 N while maintaining the same multi-stop functionality. For a direct replacement, match the 80 mm bore, both the 150 mm and 30 mm strokes, PT port thread, and basic mounting configuration.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 30 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 SCT80X150X30 FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 30 mm (section 2 extended), 150 mm (section 1 extended), and 180 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it is designed to do exactly that. A single SCT80X150X30 provides two independent strokes on one common rod line, saving mounting space and eliminating the need to synchronize two separate actuators. Ensure the replacement matches the 80 mm bore, 150 mm and 30 mm strokes, and PT port thread.
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