Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X50S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X50S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 50mm give 4 controllable stop positions across a 200mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1150 mm
- Stroke 250 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X50S
The SCT100X150X50S is a tie-rod multi-position cylinder that provides four distinct rod positions: fully retracted (0 mm), 50 mm, 150 mm, and the total extended travel of 200 mm. Each of the two tandem piston sections generates a push force of 3927 N at 0.5 MPa, scaling up to a substantial 7068 N at the maximum operating pressure of 0.9 MPa, driven through a rigid 25 mm diameter rod.
Equipped with a built-in magnet, this model accepts CMSG, DMSG, or EMSG sensors directly on the barrel for non-contact position sensing at any of the four stops. The body length A is 308 mm with a 29 mm adjustable air cushion on each section, and the PT1/2 ports supply double-acting control for reliable, repeatable indexing in sorting or material handling tasks.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X50S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X50S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 150 / 50 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) | 150 mm |
| P2 (section 2) | 50 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 SCT100X150X50S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×50 | 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 SCT100X150X50S Is Used
Four-Position Diverter Gate
Uses the four discrete stops (0, 50, 150, 200 mm) to route packages to four separate conveyor lanes from a single infeed point, controlled by two 5/3 valves.
Multi-Depth Pressing Station
Provides two intermediate pressing depths (50 mm and 150 mm) plus full retract and full 200 mm advance, ideal for progressive forming or assembly operations.
Staged Part Transfer
Transfers parts between four fixed nests in a linear assembly cell, using the built-in magnet to confirm arrival at each position with CMSG sensors.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X50S the Right Cylinder?
Select the SCT100X150X50S when an application requires four fixed stopping points without the complexity of servo positioning. This tandem cylinder replaces setups using two separate actuators and external hard stops, saving space and simplifying pneumatic circuitry. If the 3927 N per-section push force at 0.5 MPa is more than needed, stepping down to the 80 mm bore provides 2513 N; for lighter duties, the 63 mm bore offers 1559 N.
For drop-in replacement, match the 100 mm bore, both 150 mm and 50 mm section strokes, PT port thread, and the built-in magnet. Since the longer 150 mm section stroke is under 300 mm, rod side-loading is typically not a primary concern, but always align the load axially to maximize seal life.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 50 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 SCT100X150X50S FAQ
It provides four distinct mechanical stops: 0 mm (fully retracted), 50 mm (section 2 extended), 150 mm (section 1 extended), and 200 mm (both sections extended). The unequal strokes create four unique positions.
Yes, it is designed for exactly that. A single SCT100X150X50S with a built-in magnet consolidates two strokes into one compact tie-rod body, reducing mounting hardware and eliminating the need to synchronize two separate actuators.
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