Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 200mm give 4 controllable stop positions across a 300mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 1100 mm
- Stroke 2200 mm
- Total travel300 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200
The AirTAC SCT80X100X200 is a tandem multi-position cylinder that delivers four fixed rod positions from two independent piston sections on a common rod line. With strokes of 100 mm and 200 mm, the accessible stops are 0 mm (fully retracted), 100 mm, 200 mm, and the total travel of 300 mm when both sections are pressurized. This discrete positioning capability is ideal for material handling or sorting tasks requiring three distinct extended locations without complex servo controls.
Each 80 mm bore section provides a push force of 2513 N at 0.5 MPa and can reach up to 4523 N at the maximum operating pressure of 0.9 MPa. The cylinder uses a 25 mm diameter rod with an M20x1.5 thread and PT3/8 ports. Its tie-rod construction incorporates a 28 mm adjustable air cushion on each section to manage end-of-stroke deceleration, and the total body length A(SCT) is 296 mm, providing a compact footprint for the combined 300 mm of travel.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 100 / 200 mm |
| Total travel | 300 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) | 100 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 300 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 SCT80X100X200
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×100 | 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 SCT80X100X200 Is Used
Multi-Stop Diverter Gates
Operates a three-position diverter gate on a conveyor line, directing packages to separate lanes by stopping at 100 mm, 200 mm, or the full 300 mm extension.
Two-Depth Pressing Station
Provides two distinct pressing depths in an assembly fixture. The first section extends 100 mm for a pre-load, and the second section adds 200 mm for the final press, with a safe retracted home position.
Staged Product Transfer
Shifts a transfer arm to three different conveyor heights. The cylinder stops precisely at 100 mm, 200 mm, and 300 mm to align with multi-level processing stations.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200 the Right Cylinder?
Select the SCT80X100X200 when your application needs three distinct extended positions without the complexity of two separate cylinders and external hard stops. This model is a direct alternative to using an SC80 with external mechanical stops, offering cleaner integration and repeatable positioning. If your force requirement is lower, stepping down to the 63 mm bore reduces the per-section push force to 1559 N at 0.5 MPa, while a step up to the 100 mm bore increases it to 3927 N. For replacement, match the 80 mm bore, both the 100 mm and 200 mm strokes, PT port thread, and basic mounting configuration. Since the combined stroke reaches 300 mm, ensure the rod is adequately guided if significant side loads are present to prevent bending and premature seal wear.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 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 SCT80X100X200 FAQ
This cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 100 mm (section 1 extended), 200 mm (section 2 extended), and 300 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, the SCT80X100X200 is designed to replace setups using two individual cylinders with external stops. It provides the same three extended positions in a single, compact tie-rod body. Ensure the replacement matches the 80 mm bore, both the 100 mm and 200 mm strokes, PT port threads, and the basic mounting style.
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