Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X140X60
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X140X60 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 140mm and 60mm give 4 controllable stop positions across a 200mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1140 mm
- Stroke 260 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X140X60
The SCT100X140X60 is a 100 mm bore tandem cylinder that delivers four fixed rod positions: 0 mm, 60 mm, 140 mm, and the full 200 mm combined travel. Each piston section generates 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.
With a body length A of 308 mm and a generous 29 mm air cushion at each end, this tie-rod design absorbs energy smoothly for reliable multi-stop sequencing. The PT1/2 ports and standard TPU seals suit general industrial air preparation in temperatures from -20 to +70 °C.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X140X60 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X140X60 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 140 / 60 mm |
| Total travel | 200 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) | 140 mm |
| P2 (section 2) | 60 mm |
| P3 (both extended) | 200 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 SCT100X140X60
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×140 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT100X140X60 Is Used
Two-Stage Diverter Gate
Actuate a chute or gate to three different flow paths using the 60 mm, 140 mm, and 200 mm extended positions for flexible material routing.
Selectable Depth Press
Control a pressing tool to two distinct depths at 60 mm and 140 mm for assembling components with different insertion lengths in one station.
Multi-Stop Pusher
Push cartons off a conveyor at two separate lane positions by stopping the rod at 60 mm for lane one and 140 mm for lane two.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X140X60 the Right Cylinder?
Choose this four-position configuration when an application needs two distinct intermediate stops—here at 60 mm and 140 mm—plus the fully retracted and extended positions. This approach eliminates the complexity of two separate cylinders and external hard stops. If your force requirement is lower, the 80 mm bore SCT80X140X60 provides 2513 N of push per section at 0.5 MPa. For a direct replacement, match the 100 mm bore, the exact 140 mm and 60 mm strokes, PT port thread, and basic mounting style.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 140 + 60 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 SCT100X140X60 FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 60 mm, 140 mm, and 200 mm (fully extended). The positions are fixed by the two stroke lengths and are selected by pressurizing the appropriate cylinder sections.
The SCT integrates two piston sections on a single common rod, giving you four precise, repeatable stop positions in a more compact footprint than two individual cylinders with external bracketry and alignment. It simplifies the pneumatic circuit and ensures the intermediate positions are mechanically fixed relative to each other.
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