Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200S 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 SCT80X100X200S
The SCT80X100X200S is a tie-rod, multi-position tandem cylinder that provides four distinct mechanical stops along its 300 mm total stroke. By pressurising its two piston sections independently or together, the 25 mm diameter rod can be precisely positioned at 0 mm (fully retracted), 100 mm, 200 mm, or the full 300 mm extension, enabling complex sequencing without external hard stops.
Each 80 mm bore section generates a push force of 2513 N at 0.5 MPa, rising to 4523 N at the maximum operating pressure of 0.9 MPa. This model includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and features a 28 mm adjustable air cushion for smooth end-of-stroke deceleration. The body length A(SCT) is 296 mm.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200S |
|---|---|
| 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 SCT80X100X200S
| 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 SCT80X100X200S Is Used
4-Position Diverter Gate
Direct packages or components to four separate conveyor lanes by stopping the rod at 0, 100, 200, or 300 mm, each position aligning a chute or gate for high-speed sorting.
Two-Depth Pressing & Staking
Perform a two-stage assembly operation with one cylinder. The first 100 mm stroke can locate a part, and the second 200 mm stroke applies final pressing force, with sensor confirmation at each discrete stop.
Multi-Stop Part Feeding
Control a workpiece escapement mechanism to release parts at three different intervals. The rod stops at 100, 200, and 300 mm to meter components into a process with precise, repeatable spacing.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X200S the Right Cylinder?
Select the SCT80X100X200S when an application requires a compact, single-cylinder solution for four-position material handling, replacing the complexity and plumbing of two separate cylinders with external stops. If the per-section force is insufficient, stepping up to the 100 mm bore SCT100 series provides 3927 N of push at 0.5 MPa. For a lighter load, the 63 mm bore offers 1559 N.
As a direct replacement, match the 80 mm bore, both the 100 mm and 200 mm section strokes, PT port thread, and the -S magnet option. With a 200 mm section stroke, ensure the rod is adequately guided if significant side loads are present to prevent bending, especially near full extension.
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 SCT80X100X200S FAQ
This 4-position tandem cylinder stops at 0 mm (retracted), 100 mm, 200 mm, and the total travel of 300 mm. The positions are achieved by pressurising the first section, the second section, or both simultaneously.
Yes, it is a direct replacement for a two-cylinder setup where you need stops at 100 mm and 300 mm. Ensure the replacement matches the 80 mm bore, both the 100 mm and 200 mm strokes, PT ports, and the -S magnet option for sensor compatibility.
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