Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X65X65S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X65X65S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 65mm and 65mm give 3 controllable stop positions across a 130mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 165 mm
- Stroke 265 mm
- Total travel130 mm
- Positions3 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X65X65S
The SCT80X65X65S is a tandem multi-position cylinder providing three fixed rod positions: fully retracted (0 mm), the first stop at 65 mm, and full extension at 130 mm. Each piston section delivers a push force of 2513 N at 0.5 MPa, making it suitable for sorting or diverting tasks requiring two distinct mid-stroke locations.
This model includes a built-in magnet, allowing easy attachment of CMSG, DMSG, or EMSG sensors directly to the 80 mm bore tie-rod body. The 25 mm diameter rod and PT3/8 ports handle the airflow, while the 28 mm adjustable air cushion at each end ensures smooth deceleration across the 30-800 mm/s speed range.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X65X65S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X65X65S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 65 / 65 mm |
| Total travel | 130 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 65 mm |
| P2 (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 SCT80X65X65S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×65 | Stroke 1 (section 1) in mm. |
| ×65 | 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 SCT80X65X65S Is Used
Two-Way Diverter Gate
Uses the 65 mm and 130 mm stops to direct packages onto two separate conveyor lines, with sensors confirming position at each gate.
Dual-Depth Clamping
Applies an initial clamp at 65 mm and a final press at 130 mm, ideal for two-stage assembly fixtures requiring consistent force.
Staged Part Ejection
Ejects a lightweight part to a middle staging area at 65 mm before a full-eject stroke to 130 mm, simplifying pick-and-place sequencing.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X65X65S the Right Cylinder?
Selecting the SCT80X65X65S is ideal when an application needs two separate, repeatable stop points without the complexity of multiple cylinders and external stops. If higher force is needed, stepping up to the 100 mm bore provides 3927 N of push per section. For a drop-in replacement, match the 80 mm bore, both 65 mm strokes, PT3/8 ports, and ensure the new unit carries the -S magnet suffix. With a combined stroke of 130 mm, consider external guides if the load has a significant side component.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 65 + 65 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 SCT80X65X65S FAQ
This cylinder has three distinct stop positions: 0 mm (fully retracted), 65 mm (first section extended), and 130 mm (both sections extended).
Yes, the -S suffix indicates a built-in magnet, making it compatible with AirTAC's CMSG, DMSG, and EMSG series sensors that clamp onto the tie-rod barrel.
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