Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X30S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X30S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 30mm give 4 controllable stop positions across a 90mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 160 mm
- Stroke 230 mm
- Total travel90 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X30S
The SCT100X60X30S is a double-acting multi-position tandem cylinder that provides four distinct mechanical stops along its stroke: 0 mm (fully retracted), 60 mm, 30 mm, and 90 mm (total travel). This specific position set is achieved by pressurising either the 60 mm section, the 30 mm section, or both simultaneously, making it ideal for sorting or diverting tasks that require two different intermediate positions. The built-in magnet allows direct mounting of CMSG, DMSG, or EMSG sensors for reliable end-of-stroke and mid-stroke position feedback.
With a 100 mm bore, each actuated piston section delivers a push force of 3927 N at 0.5 MPa, rising to a substantial 7068 N at the maximum operating pressure of 0.9 MPa. The unit features a robust 25 mm diameter piston rod with an M20x1.5 thread and PT1/2 ports, and its tie-rod construction gives a body length A of 308 mm. The adjustable air cushion on each section, with a 29 mm cushion length, effectively decelerates the load at every stop position.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X30S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X30S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 60 / 30 mm |
| Total travel | 90 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) | 60 mm |
| P2 (section 2) | 30 mm |
| P3 (both extended) | 90 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 SCT100X60X30S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×30 | 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 SCT100X60X30S Is Used
Two-Way Part Diverting
Use the 30 mm and 60 mm stops to precisely divert parts from a main conveyor into two separate lanes. The 90 mm total travel provides a third position for a reject or bypass chute.
Multi-Depth Pressing
Achieve two controlled pressing depths in a single cycle. The 30 mm stroke can perform a light pre-press, while the 60 mm stroke executes the full-depth insertion, with the 90 mm position available for part ejection.
Staged Clamping Fixture
Operate a clamp with a low-force 30 mm approach stroke and a high-force 60 mm locking stroke. The integrated magnet sensors confirm the clamp has reached each stage before the next machining operation begins.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X30S the Right Cylinder?
Select this SCT100X60X30S when your application needs two distinct mid-stroke positions from a single compact unit, rather than the complexity of two separate cylinders with external stops. The 100 mm bore provides high force; if your load requires less thrust, stepping down to an 80 mm bore (2513 N push at 0.5 MPa per section) can reduce energy consumption and physical size. For replacement, ensure the new unit matches the 100 mm bore, both the 60 mm and 30 mm strokes, PT port thread, and the -S magnet option for sensor compatibility. This basic mount model requires a rigid, flat mounting surface.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 30 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 SCT100X60X30S FAQ
This cylinder provides 4 discrete mechanical stop positions. The rod can be precisely located at 0 mm (fully retracted), 60 mm, 30 mm, and the full 90 mm extension. These positions are achieved by pressurizing the two internal piston sections independently or together.
Yes, it is designed to replace two separate SC100 cylinders with 60 mm and 30 mm strokes, or one cylinder with a complex external stop system. The SCT provides the same three fixed positions in a single, more compact body. Ensure the replacement matches the 100 mm bore, PT ports, and the -S magnet option for sensor compatibility.
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