Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X70S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X70S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 70mm give 4 controllable stop positions across a 130mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 160 mm
- Stroke 270 mm
- Total travel130 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X70S
The SCT80X60X70S is a double-acting multi-position cylinder that produces four fixed rod positions: 0 mm (fully retracted), 60 mm, 70 mm, and 130 mm total travel. By pressurising either or both of its two piston sections, this tandem unit replaces complex multi-actuator setups with a single, compact tie-rod assembly. Each section generates a push force of 2513 N at 0.5 MPa, rising to 4523 N at 0.9 MPa, while the 25 mm diameter rod provides robust guidance.
This model includes a built-in magnet, allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the barrel for reliable end-of-stroke or mid-position detection. The body length A(SCT) is 296 mm and the adjustable air cushion at each end is 28 mm long, helping to manage kinetic energy smoothly. Operating on filtered air from 0.15 to 1.0 MPa, it suits ambient temperatures from -20 to +70 °C with its standard TPU seals.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X70S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X70S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 60 / 70 mm |
| Total travel | 130 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) | 70 mm |
| P3 (both extended) | 130 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 SCT80X60X70S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×70 | 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 SCT80X60X70S Is Used
Four-Position Diverter Gate
Direct packages or parts to four separate conveyor lanes by stopping the cylinder rod at 0, 60, 70, or 130 mm, each corresponding to a different lane entry.
Multi-Depth Pressing Station
Control a press platen to two distinct insertion depths (60 mm and 70 mm) plus a full 130 mm stroke for part ejection, all from one compact actuator.
Staged Assembly Stop
Advance a component to a 60 mm pre-assembly position, a 70 mm joining position, and a 130 mm final seating position, with sensor confirmation at each step via the built-in magnet.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X70S the Right Cylinder?
Choose the SCT80X60X70S when your process requires four distinct stop points along a single linear axis without the cost and plumbing of two separate cylinders and external hard stops. It is a direct form-fit replacement for another AirTAC SCT80 with 60 mm and 70 mm sections, PT ports, and the -S magnet option. For higher force, stepping up to the 100 mm bore provides 3927 N of push per section at 0.5 MPa; for a lighter, more compact solution, the 63 mm bore delivers 1559 N. With a combined stroke of 130 mm, rod bending is not a primary concern, but ensure the load is guided if side forces are present.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 70 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 SCT80X60X70S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 60 mm (first section extended), 70 mm (second section extended), and 130 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it is designed to replace two separate 80 mm bore cylinders or an SC series cylinder with external stops, provided your application needs the specific 60 mm and 70 mm discrete positions. For a direct replacement of another SCT, match the 80 mm bore, both stroke lengths (60 and 70), PT port thread, and the -S magnet option.
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