Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 20mm and 10mm give 4 controllable stop positions across a 30mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 120 mm
- Stroke 210 mm
- Total travel30 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S
The SCT32X20X10S is a compact multi-position tandem cylinder that delivers four distinct rod positions—0, 20, 10, and 30 mm—from a single tie-rod body. Each piston section provides 402 N of push force at 0.5 MPa, making it ideal for light-duty sorting or diverting tasks where space is tight.
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 sensing. The 12 mm rod and PT1/8 ports keep the footprint small, while the adjustable air cushion at each end (21 mm cushion length) ensures smooth deceleration across all four stop points.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 20 / 10 mm |
| Total travel | 30 mm |
| Stop positions | 4 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 20 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 30 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 SCT32X20X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×20 | 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S Is Used
Two-Way Diverter Gate
Use the 20 mm and 30 mm extended positions to guide small parts into two separate chutes, with the 10 mm mid-stop acting as a staging point before final diversion.
Multi-Stop Label Applicator
The 10 mm and 20 mm stops allow a tamp pad to pause at two different heights for applying labels to products with varying surface elevations on the same line.
Staged Component Insertion
Advance a probe to 10 mm for a low-force pre-insertion check, then to 30 mm for full seating, using the 20 mm position for an intermediate alignment step.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S the Right Cylinder?
Choose the SCT32X20X10S when a single actuator must deliver two different short extension lengths without complex external stops. The 4-position output (0, 20, 10, 30 mm) replaces two separate cylinders or an SC series unit with mechanical hard stops, reducing part count and plumbing. If higher force is needed, step up to the 40 mm bore SCT40, which provides 628 N of push per section at 0.5 MPa.
For replacement, match the 32 mm bore, both strokes (20 mm and 10 mm), PT port thread, and the built-in magnet (-S suffix). This basic-mount model accepts the full range of SCT mounting accessories—FA/FB flanges, CA/CB devises, or LB foot mounts—but does not include them as standard.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 20 + 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10S FAQ
It provides 4 discrete mechanical stops: 0 mm (fully retracted), 20 mm (section 1 extended), 10 mm (section 2 extended), and 30 mm (both sections extended). The stops are fixed by the two stroke lengths and are not infinitely adjustable.
Yes. The -S suffix denotes a built-in magnet, so AirTAC CMSG, DMSG, or EMSG reed and solid-state sensors can be clamped directly onto the cylinder barrel to detect piston position at any of the four stops.
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