Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X10S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 10mm give 4 controllable stop positions across a 110mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 1100 mm
- Stroke 210 mm
- Total travel110 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X10S
The SCT80X100X10S is a double-acting multi-position tandem cylinder providing four discrete rod positions: 0 mm (fully retracted), 10 mm, 100 mm, and 110 mm total travel. This is achieved by independently pressurising two piston sections on a common rod. With an 80 mm bore, each actuated section delivers a push force of 2513 N at 0.5 MPa, making it suitable for tasks requiring a long primary stroke and a precise short secondary stop.
This model includes a built-in magnet (-S), allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position sensing. The cylinder features a 25 mm diameter rod, PT3/8 ports, and a 28 mm adjustable air cushion for smooth end-of-stroke deceleration. Its robust tie-rod construction has a body length of 296 mm.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X10S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 100 / 10 mm |
| Total travel | 110 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) | 100 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 110 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 SCT80X100X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×10 | 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 SCT80X100X10S Is Used
Two-Depth Pressing
Use the 10 mm stroke for a light pre-press or location step and the full 110 mm travel for the main pressing operation, ensuring consistent part insertion depth.
Sorting Gate Actuation
Control a diverter gate with three distinct positions: a neutral middle stop at 10 mm, and full left/right diversion at 0 mm and 100 mm extensions for routing parts on a conveyor.
Staged Clamping Fixture
Position a clamp first with a rapid 100 mm advance, then apply a final 10 mm high-force locking stroke. The integrated magnet provides confirmation that the fixture is fully closed.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X10S the Right Cylinder?
An SCT cylinder is the optimal choice when an application requires two fixed, repeatable stop positions that are not easily achieved with a single cylinder and external hard stops. This 80 mm bore model is ideal for higher-force multi-stop operations. If your force requirements are lower, consider stepping down to the 63 mm bore SCT, which provides 1559 N of push force per section at 0.5 MPa. For a direct replacement, match the 80 mm bore, both strokes of 100 mm and 10 mm, PT port thread, basic mounting, and the -S magnet option. For strokes of 100 mm or more, ensure the load is guided to prevent excessive side-loading and rod bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 10 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 SCT80X100X10S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 10 mm, 100 mm, and the total extended length of 110 mm. These are fixed by the two internal piston strokes and are not infinitely adjustable.
Yes, it is a direct replacement for two individually mounted cylinders that were used to achieve two fixed strokes, provided the strokes match 100 mm and 10 mm. It simplifies mounting and plumbing into a single, compact unit. Ensure the replacement has the same -S magnet option and PT ports.
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