Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 200mm give 4 controllable stop positions across a 350mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1150 mm
- Stroke 2200 mm
- Total travel350 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200S
The SCT100X150X200S is a double-acting multi-position cylinder that provides four fixed rod positions: 0 mm (fully retracted), 150 mm, 200 mm, and the combined total travel of 350 mm. Each piston section generates a powerful 3927 N of push force at 0.5 MPa, scaling up to 7068 N at the maximum operating pressure of 0.9 MPa, driven by a 25 mm diameter rod.
This tandem unit integrates a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for precise, non-contact position feedback at every stop. The body length A is 308 mm, and the cylinder features an adjustable pneumatic cushion of 29 mm to manage end-of-stroke deceleration effectively.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 150 / 200 mm |
| Total travel | 350 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) | 150 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 350 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 SCT100X150X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT100X150X200S Is Used
Multi-Stop Diverter Gate
Operates a three-position diverter gate on a conveyor line, directing packages to separate lanes at 150 mm, 200 mm, or the full 350 mm extension based on barcode data.
Two-Depth Pressing Station
Executes a two-stage pressing operation where the first press occurs at the 150 mm stop and a deeper, secondary press is achieved at the 200 mm position, all within one cycle.
Sequential Part Transfer
Transfers a workpiece through three distinct stations in a lean manufacturing cell, using the sensor-ready magnet to confirm arrival at the 0 mm, 150 mm, and 350 mm positions.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200S the Right Cylinder?
Choose this four-position actuator when your process requires a sequence of three distinct extension points without the complexity of servo controls. Compared to using two separate 100 mm bore cylinders with external stops, the SCT tandem design ensures perfect axial alignment and a single, compact footprint. If your application demands even higher force, the 100 mm bore is the largest available in the SCT series; for lower thrust requirements, consider stepping down to the 80 mm bore which provides 2513 N of push per section.
For direct replacement, match the 100 mm bore, the exact stroke combination of 150 mm and 200 mm, the PT port thread, and the integrated magnet sensor option. With a stroke exceeding 150 mm, ensure the external load is guided to prevent excessive side-loading and rod bending during extension to the full 350 mm position.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 200 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 SCT100X150X200S FAQ
It provides four discrete mechanical stops. The rod can be positioned at 0 mm (home), 150 mm (first section extended), 200 mm (second section extended), and 350 mm (both sections fully extended).
Yes, it is a direct tandem replacement that consolidates two strokes into one body. Ensure the replacement matches the 100 mm bore, the specific 150 mm and 200 mm strokes, PT ports, and the -S magnet option for sensor compatibility.
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