Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X60
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X60 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 60mm give 3 controllable stop positions across a 120mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 160 mm
- Stroke 260 mm
- Total travel120 mm
- Positions3 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X60
The SCT100X60X60 is a tandem multi-position pneumatic cylinder that provides three fixed rod positions: fully retracted (0 mm), 60 mm, and the combined 120 mm total travel. Built on a 100 mm bore with a rigid 25 mm diameter piston rod and M20x1.5 rod-end thread, each piston section generates 3927 N of push force at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa.
This double-acting tie-rod cylinder uses PT1/2 ports and features an adjustable pneumatic cushion at both ends with a 29 mm cushion length for reliable deceleration. The body length A(SCT) is 308 mm. With TPU seals as standard, it operates reliably between -20 and +70 °C, making it a robust choice for heavy-duty sorting or positioning tasks where three repeatable stops are needed without complex electronics.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X60 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X60 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 60 / 60 mm |
| Total travel | 120 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 60 mm |
| P2 (both extended) | 120 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 SCT100X60X60
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×60 | 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 SCT100X60X60 Is Used
3-Position Heavy Part Sorting
Directs large components on a conveyor to three separate lanes using the 0, 60, and 120 mm rod positions, handling heavy payloads with 3927 N of force per section.
Two-Stage Clamping Fixture
Applies an initial 60 mm approach stroke for rapid closure, then a second 60 mm stroke for high-force clamping, achieving two distinct pressure levels from one compact cylinder.
Dual-Depth Press Operation
Provides two working depths (60 mm and 120 mm) in a single pressing station, eliminating the need for tooling changes between shallow and deep forming cycles.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X60 the Right Cylinder?
Choose this 3-position tandem cylinder when your application requires a heavy thrust actuator that can reliably stop at two intermediate points along a 120 mm stroke. With each section delivering 3927 N of push at 0.5 MPa, it outperforms using two separate 100 mm bore cylinders with external stop mechanisms by saving space and simplifying pneumatic control to just two directional valves. If your force requirement is lower, stepping down to an 80 mm bore SCT80X60X60 reduces per-section push to 2513 N at 0.5 MPa.
For a drop-in replacement, match the 100 mm bore, both 60 mm section strokes, PT port thread, and basic mounting configuration. If your existing unit has a magnet for sensors, specify the -S suffix; for flange or clevis mounts, add the appropriate FA, FB, CA, CB, or LB code.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 60 + 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 SCT100X60X60 FAQ
It provides three distinct mechanical stop positions: 0 mm (fully retracted), 60 mm (first section extended), and 120 mm (both sections extended). Because both stroke sections are equal at 60 mm, the 60 mm and 120 mm positions are the only extended stops.
Yes, in many cases it is a direct space-saving replacement. It provides the same 60 mm and 120 mm stop positions from a single tie-rod body. Ensure the mounting style, PT1/2 ports, and 100 mm bore match your current setup. Note that the force output is per-section, not additive, so each 60 mm movement delivers the standard 3927 N push at 0.5 MPa.
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