Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X200S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X200S 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 Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1100 mm
- Stroke 2200 mm
- Total travel300 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X200S
The SCT100X100X200S is a double-acting, multi-position tandem cylinder that provides four fixed rod positions: fully retracted (0 mm), 100 mm, 200 mm, and the total extended travel of 300 mm. Each piston section delivers 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 through a rigid 25 mm diameter rod.
This specific model includes a built-in magnet (-S suffix), allowing easy external mounting of CMSG, DMSG, or EMSG sensors directly onto the tie-rod barrel for precise, non-contact position sensing. The cylinder uses a PT1/2 port and standard TPU seals, operating reliably in temperatures from -20 to +70 °C, with a body length of 308 mm plus stroke.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X200S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 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 | 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) | 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 (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 SCT100X100X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | 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 SCT100X100X200S Is Used
Multi-Stop Diverter Gate
Positions a diverter gate on a conveyor to four distinct lanes, using sensors on the magnet-equipped barrel to confirm each stop position for reliable material sorting.
Two-Depth Pressing Station
Executes a two-stage pressing operation: a fast-approach stroke to 200 mm, followed by a high-force press at the full 300 mm extension, with an intermediate 100 mm position for part ejection.
Sequential Clamping Fixture
Clamps a workpiece in three increasing pressure steps. The cylinder first positions at 100 mm for alignment, then 200 mm for initial contact, and finally 300 mm for full hydraulic-less clamping force.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X200S the Right Cylinder?
Select this 4-position SCT cylinder when a single actuator must stop a load at three intermediate points without the complexity and plumbing of two separate cylinders. The 100 mm bore is ideal for high-force applications; if a lighter load allows, stepping down to an 80 mm bore (2513 N push at 0.5 MPa) can reduce air consumption and physical size. For a direct replacement, match the 100 mm bore, both the 100 mm and 200 mm strokes, PT port thread, and the -S magnet option. Since the total travel is 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 SCT100X100X200S FAQ
This tandem cylinder provides 4 discrete mechanical stops. The rod positions are at 0 mm (fully retracted), 100 mm (first section extended), 200 mm (second section extended), and 300 mm (both sections extended, total travel).
The -S suffix indicates a built-in magnetic piston ring. This allows you to mount AirTAC CMSG, DMSG, or EMSG reed and solid-state sensors directly on the cylinder's tie-rods to detect each of the four positions without external flags or brackets, simplifying your control system design.
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