Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 150mm give 4 controllable stop positions across a 250mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1100 mm
- Stroke 2150 mm
- Total travel250 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150
The SCT100X100X150 is a tandem double-acting cylinder that delivers four precise, repeatable stop positions without the complexity of servo controls. By pressurising the first section, the second section, or both, the rod extends to 100 mm, 150 mm, or the full combined travel of 250 mm, making it ideal for diverting parts to multiple lanes or executing two-depth pressing operations.
Each 100 mm bore piston section generates a substantial 3927 N of push force at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa. The unit features a 25 mm diameter hard-chrome plated rod, a PT1/2 port, and an adjustable air cushion with a 29 mm cushion length to decelerate the 308 mm body length assembly smoothly.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 100 / 150 mm |
| Total travel | 250 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/2 |
| 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, 29 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) | 100 mm |
| P2 (section 2) | 150 mm |
| P3 (both extended) | 250 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SCT100X100X150
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×150 | 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 SCT100X100X150 Is Used
Three-Lane Sorting Gate
A single SCT100X100X150 positions a diverter chute to feed three separate conveyor lanes by stopping at 0 mm, 100 mm, and 250 mm, replacing two standard cylinders and simplifying the control architecture.
Two-Depth Pressing Station
The rod advances to a 100 mm partial-insertion position for a pre-compression step, then extends to the full 250 mm stroke for final forming, delivering up to 7068 N of force at 0.9 MPa for each pressing depth.
Multi-Stop Pallet Indexing
Controls a stop pin with four distinct heights (0, 100, 150, 250 mm) to index heavy pallets at different workstations on a gravity roller conveyor, using the cylinder's 25 mm rod for robust side-load resistance.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150 the Right Cylinder?
Choose this 4-position SCT when your application requires a part to be reliably stopped at two intermediate points along a 250 mm stroke, such as selecting between three distinct conveyor lanes. If a higher per-section force is needed, note that this 100 mm bore already represents the largest standard SCT offering; for lower forces, an SCT80X100X150 provides 2513 N of push per section at 0.5 MPa. When replacing an existing unit, match the 100 mm bore, both the 100 mm and 150 mm section strokes, PT port thread, and basic mounting configuration exactly.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 150 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 SCT100X100X150 FAQ
This model provides 4 discrete mechanical stops. The rod positions are at 0 mm (fully retracted), 100 mm (section 1 extended), 150 mm (section 2 extended), and the total combined stroke of 250 mm (both sections extended).
No, it cannot. Like all standard pneumatic cylinders, the SCT100X100X150 will drift or drop if pressure is lost or a directional valve is centered. If a load must be safely held at the 100 mm or 150 mm position without live pressure, you must add an external rod lock or a pilot-operated check valve to the circuit.
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