Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X150
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X150 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 150mm give 4 controllable stop positions across a 200mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 150 mm
- Stroke 2150 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X150
The SCT100X50X150 is a tandem multi-position pneumatic cylinder producing four fixed rod positions: fully retracted (0 mm), 50 mm, 150 mm, and the total travel of 200 mm. Each 100 mm bore section generates a push force of 3927 N at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa, driven through a rigid 25 mm diameter rod.
Built on a durable tie-rod construction with a body length of 308 mm, this double-acting unit uses adjustable air cushioning (29 mm cushion length) to decelerate the piston at each end of the 200 mm combined stroke. Standard PT1/2 ports supply the filtered air, and the cylinder operates reliably between -20 and +70 °C with its default TPU seals.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X150 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X150 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 50 / 150 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) | 50 mm |
| P2 (section 2) | 150 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 SCT100X50X150
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×50 | 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 SCT100X50X150 Is Used
Two-Stage Clamping
Use the 50 mm stroke for a low-force pre-clamp, then extend to the full 200 mm for a secondary high-force press, all controlled by sequencing pressure to each cylinder section.
Dual-Position Diverter Gate
Actuate a conveyor diverter to three distinct positions: home (0 mm), divert to lane one (50 mm), and divert to lane two (200 mm), using the 150 mm stroke for the second lane offset.
Multi-Depth Stop in Assembly
Stop a placement head at a 50 mm clearance height and a 200 mm insertion depth. The discrete 150 mm stroke difference ensures repeatable positioning for two-part insertion cycles.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X150 the Right Cylinder?
Choose this 4-position SCT model when a single actuator must index a load to two distinct extended stops without the complexity of two separate cylinders and external hard stops. The 50 mm and 150 mm strokes give a short advance for a primary operation and a longer secondary stroke for a separate function. If your application requires higher force, the 100 mm bore provides 3927 N of push per section at 0.5 MPa, a significant step up from the 2513 N offered by the SCT80 series.
To guarantee a correct drop-in replacement, match the 100 mm bore, both the 50 mm and 150 mm section strokes, and the PT port thread. Since this is a basic mounting model, verify your machine's mounting footprint. For strokes of this length, ensure the guided load is aligned to prevent excessive side-loading on the 25 mm rod, or consider adding an external guide rail.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 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 SCT100X50X150 FAQ
It provides four discrete mechanical stops: 0 mm (fully retracted), 50 mm (section one extended), 150 mm (section two extended), and 200 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
The force output is per actuated piston section, matching a standard SC100 bore. At 0.5 MPa, a single section delivers 3927 N push and 3681 N pull. The two sections do not combine their force to double the output; each section provides its rated thrust independently when pressurized.
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