Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 80mm and 80mm give 3 controllable stop positions across a 160mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 180 mm
- Stroke 280 mm
- Total travel160 mm
- Positions3 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S
The SCT32X80X80S is a tandem multi-position cylinder that delivers three fixed rod positions—0 mm, 80 mm, and 160 mm total travel—by pressurising its two 80 mm stroke sections independently or together. Each piston section generates 402 N of push force at 0.5 MPa (724 N at 0.9 MPa), driven through a 12 mm diameter rod with M10x1.25 threads.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for non-contact position sensing. The cylinder body has an A-length of 233 mm and uses PT1/8 ports with a 21 mm adjustable air cushion on each section to manage end-of-stroke deceleration.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 80 / 80 mm |
| Total travel | 160 mm |
| Stop positions | 3 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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, 21 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) | 80 mm |
| P2 (both extended) | 160 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×80 | Stroke 1 (section 1) in mm. |
| ×80 | 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S Is Used
3-Position Sorting Gate
Use the three discrete stops (0, 80, 160 mm) to direct parts down three different conveyor lanes. The built-in magnet provides sensor confirmation at each position to prevent mis-sorts.
Two-Depth Pressing
Achieve a shallow 80 mm press depth and a full 160 mm depth in a single compact unit. The tandem design eliminates the need for two separate cylinders and complex bracketry.
Multi-Stop Clamping
Clamp workpieces of two different thicknesses by moving the rod to the 80 mm or 160 mm position. The 12 mm rod and adjustable cushioning provide stable, controlled motion for delicate parts.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S the Right Cylinder?
Choose the SCT32X80X80S when your application requires three precise mechanical stops without the complexity of servo controls. For lighter loads, the 32 mm bore provides 402 N of push per section; if you need more force, stepping up to the 40 mm bore (SCT40 series) increases per-section push to 628 N at the same 0.5 MPa pressure. This cylinder is a direct replacement for another AirTAC SCT32 with 80 mm and 80 mm strokes, PT ports, and the -S magnet option. Ensure the mounting style matches your existing setup—this unit comes in a basic configuration, so you will need to reuse or order separate FA, FB, CA, CB, or LB mounting brackets if required.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 80 + 80 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X80S FAQ
This cylinder provides 3 distinct rod positions: fully retracted (0 mm), extended to the first section's stroke (80 mm), and extended to the total of both strokes (160 mm). Because the two strokes are equal, the mid-position is exactly halfway through the total travel.
No. Like all standard pneumatic cylinders, the SCT32X80X80S does not have an internal locking mechanism. If air pressure is exhausted or lost, the piston rod can drift or drop under load. If you need to hold a position without live pressure, you must add an external rod lock or a pilot-operated check valve to the circuit.
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