Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X200S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 200mm give 4 controllable stop positions across a 260mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 160 mm
- Stroke 2200 mm
- Total travel260 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X200S
The SCT80X60X200S is a tie-rod, double-acting multi-position cylinder that delivers four fixed rod positions from its tandem piston sections: fully retracted (0 mm), 60 mm, 200 mm, and the combined total travel of 260 mm. 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, driven through a rigid 25 mm diameter rod.
A built-in magnet is factory-installed, allowing CMSG, DMSG, or EMSG solid-state and reed sensors to mount directly onto the tie-rod barrel for non-contact position sensing at any of the four stops. The cylinder body has an A(SCT) dimension of 296 mm, uses PT3/8 ports, and features an adjustable pneumatic cushion of 28 mm on each section to manage end-of-stroke deceleration without requiring external shock absorbers.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X200S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 60 / 200 mm |
| Total travel | 260 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) | 60 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 260 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 SCT80X60X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT80X60X200S Is Used
Four-Position Diverter Gate
Actuates a sorting gate on a conveyor to four distinct chute positions. The sequence of 0, 60, 200, and 260 mm strokes directs packages to different lanes based on a barcode read, with sensor confirmation at each stop via the built-in magnet.
Two-Depth Pressing Station
Provides a two-step pressing operation where the first 60 mm stroke performs a pre-compression and the full 260 mm travel completes the final form. The discrete stops ensure consistent part thickness without a servo drive.
Multi-Stop Glue Bead Applicator
Positions a glue nozzle at four precise heights above a workpiece. The 60 mm stroke sets a standby height, while the 200 mm and 260 mm positions apply beads to different part geometries, all triggered by the CMSG sensors on the cylinder body.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X200S the Right Cylinder?
Select this SCT model when a single actuator must move a load to four distinct mechanical stops without the complexity of two separate cylinders and a coupling bracket. The 60 mm and 200 mm stroke combination is useful for a short initial advance followed by a longer secondary feed. If the 2513 N per-section push at 0.5 MPa is insufficient, stepping up to the SCT100 bore provides 3927 N per section; if the force is excessive and a smaller footprint is needed, the SCT63 bore delivers 1559 N per section.
For direct replacement, match an AirTAC SCT with an 80 mm bore, 60 mm and 200 mm strokes, PT3/8 ports, and the -S magnet option. Because the total travel reaches 260 mm, ensure the rod is guided externally or the load is centered if side forces are present in the application, as the tie-rod construction relies on the piston bearings to handle coaxial loads.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 200 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 SCT80X60X200S FAQ
It provides four discrete mechanical stop positions: 0 mm (fully retracted), 60 mm (first section extended), 200 mm (second section extended), and 260 mm (both sections extended, total travel). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it is designed to replace a back-to-back pair of cylinders. The SCT80X60X200S integrates both piston sections on a single common rod within one tie-rod body, which reduces alignment issues and overall length. Ensure the replacement matches the 80 mm bore, the 60 mm and 200 mm strokes, the PT3/8 port thread, and the -S magnet option.
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