Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X150
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X150 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 200mm and 150mm give 4 controllable stop positions across a 350mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 1200 mm
- Stroke 2150 mm
- Total travel350 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X150
The SCT80X200X150 tandem cylinder delivers four fixed rod positions—0 mm, 150 mm, 200 mm, and the full 350 mm total travel—by pressurising one or both piston sections. Each 80 mm bore section generates 2513 N of push force at 0.5 MPa, rising to 4523 N at the maximum operating pressure of 0.9 MPa, making it suitable for multi-stop material handling tasks.
This tie-rod cylinder uses a 25 mm diameter rod with PT3/8 ports and an M20x1.5 rod thread. The adjustable air cushion at each end has a 28 mm length, and the body length A(SCT) is 296 mm. Standard TPU seals cover an operating temperature range of -20 to +70 °C.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X150 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X150 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 200 / 150 mm |
| Total travel | 350 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) | 200 mm |
| P2 (section 2) | 150 mm |
| P3 (both extended) | 350 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 SCT80X200X150
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×200 | Stroke 1 (section 1) in mm. |
| ×150 | 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 SCT80X200X150 Is Used
Four-Way Diverter Gate
Positions the diverter chute to four distinct angles—retracted, mid-stroke one, mid-stroke two, and fully extended—to sort packages onto four separate conveyor lines from a single infeed.
Multi-Depth Clamping Fixture
Provides three clamping thicknesses plus a fully open position for part loading. The 150 mm and 200 mm strokes set two common workpiece sizes, with the 350 mm position clearing the fixture for changeover.
Staged Product Pusher
Pushes products in two increments. A 150 mm stroke advances the product to a first station, and the full 350 mm travel pushes it to a downstream conveyor, eliminating the need for two separate pusher cylinders.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X150 the Right Cylinder?
Choose the SCT80X200X150 when a single actuator must index to four distinct positions without the complexity of two separate cylinders and external hard stops. If a higher per-section force is needed, step up to the 100 mm bore SCT100, which provides 3927 N of push at 0.5 MPa. For a lighter, more compact solution, the 63 mm bore SCT63 offers 1559 N at the same pressure.
To replace an existing unit, match the 80 mm bore, both the 200 mm and 150 mm strokes, PT port thread, and the basic mounting configuration. Since both section strokes exceed 150 mm, ensure the load is guided to prevent side-loading and rod bending, especially when the rod is near full extension at 350 mm.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 200 + 150 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 SCT80X200X150 FAQ
It provides four discrete mechanical stop positions: 0 mm (fully retracted), 150 mm (section two extended), 200 mm (section one extended), and 350 mm (both sections extended, the total of 200+150 mm).
Physically mounting two separate cylinders in series is possible but requires a custom coupling bracket, doubles the mounting footprint, and makes it difficult to achieve the same precise, repeatable stop positions. The SCT integrates both strokes into a single, compact tie-rod body with a common rod, ensuring alignment and simplifying the pneumatic circuit.
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