Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 100mm give 4 controllable stop positions across a 250mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1150 mm
- Stroke 2100 mm
- Total travel250 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100S
The SCT100X150X100S is a double-acting multi-position tandem cylinder that provides four distinct rod positions: 0 mm (fully retracted), 100 mm, 150 mm, and the total travel of 250 mm. This is achieved by pressurising one or both of its 100 mm bore piston sections, each delivering a powerful push force of 3927 N at 0.5 MPa, making it suitable for heavy-duty sorting or multi-stage clamping.
Equipped with a built-in magnet, this model accepts CMSG, DMSG, or EMSG sensors for direct position feedback without external brackets. The cylinder uses a 25 mm rod with an M20x1.5 thread, PT1/2 ports, and a 29 mm adjustable air cushion, built on a 308 mm body length for robust, repeatable multi-stop actuation.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 150 / 100 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) | 150 mm |
| P2 (section 2) | 100 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 SCT100X150X100S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×100 | 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 SCT100X150X100S Is Used
4-Position Diverter Gate
Directs heavy packages or pallets to four separate conveyor lanes by stopping the rod at 0, 100, 150, or 250 mm, each aligning a chute or gate.
Two-Depth Heavy Press
Provides a 100 mm partial-close and a 150 mm full-close stroke for a forming press, with a combined 250 mm retract, all from one compact tandem unit.
Multi-Stage Clamping Fixture
Clamps a workpiece at two different heights (100 mm and 150 mm) for sequential machining operations, with sensor confirmation at each position via the built-in magnet.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100S the Right Cylinder?
Select the SCT100X150X100S when a single actuator must move a heavy load to four fixed positions, eliminating the complexity and cost of two separate cylinders and external hard stops. The 100 mm bore provides substantial force; if your application requires less thrust, consider stepping down to an 80 mm bore, which provides 2513 N of push per section at 0.5 MPa. For a direct replacement, match the 100 mm bore, both strokes (150 mm and 100 mm), PT port thread, basic mounting, and the -S magnet option. With a 150 mm section stroke, ensure the load is guided to prevent excessive side-loading on the 25 mm rod.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 100 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 SCT100X150X100S FAQ
It has 4 discrete positions: 0 mm (retracted), 100 mm (section 2 extended), 150 mm (section 1 extended), and 250 mm (both sections extended). The stops are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it can replace a setup with two SC100 cylinders and external stops for 3- or 4-position applications, saving space and plumbing. A direct replacement must match the 100 mm bore, 150 mm and 100 mm strokes, PT ports, and the -S magnet option. It will not double the force; each section provides 3927 N of push at 0.5 MPa.
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