Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X15X45
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X15X45 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 15mm and 45mm give 4 controllable stop positions across a 60mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 115 mm
- Stroke 245 mm
- Total travel60 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X15X45
The AirTAC SCT32X15X45 is a double-acting tandem cylinder that provides four fixed rod positions: fully retracted (0 mm), 15 mm, 45 mm, and the total extended length of 60 mm. Each 32 mm bore section delivers 402 N of push force and 345 N of pull force when supplied with 0.5 MPa air, making it suitable for light-duty sorting or diverting tasks where multiple end-of-stroke locations are required.
This tie-rod cylinder uses a 12 mm diameter piston rod with M10x1.25 rod-end threads and PT1/8 ports. The body length A(SCT) is 233 mm, and each end cap includes a 21 mm adjustable air cushion to decelerate the load smoothly. The standard TPU seals and PT threads suit general industrial environments operating between -20 and +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X15X45 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X15X45 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 15 / 45 mm |
| Total travel | 60 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) | 15 mm |
| P2 (section 2) | 45 mm |
| P3 (both extended) | 60 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 SCT32X15X45
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×15 | Stroke 1 (section 1) in mm. |
| ×45 | 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 SCT32X15X45 Is Used
Two-Way Diverter Gate
Use the 15 mm and 45 mm stops to direct small parts into two separate chutes from a single conveyor lane, with the 60 mm position providing a bypass path for rejected items.
Multi-Depth Label Press
Apply labels at two different insertion depths on a product. The 15 mm stroke pre-tacks the label, while the 45 mm stroke performs a full-pressure wipe-down, all from one compact cylinder.
Staged Component Ejection
Eject a finished part from a nest in two stages: a 15 mm push to break the part free, followed by a full 45 mm stroke to clear the tooling area, preventing damage to delicate features.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X15X45 the Right Cylinder?
Select the SCT32X15X45 when a single actuator must stop a payload at two intermediate positions without the cost and complexity of two separate cylinders and external hard stops. For applications needing higher force, stepping up to the 40 mm bore SCT provides 628 N of push per section at the same 0.5 MPa pressure. This model is a direct replacement for an existing AirTAC SCT32X15X45 with basic mounting, PT ports, and no magnet.
Because the first stroke section is relatively short at 15 mm, rod side-loading is minimal, but ensure the guided load is aligned with the rod axis to prevent premature bushing wear. If you require electrical position feedback, choose the -S magnet option to clamp CMSG or DMSG sensors directly onto the tie-rod barrel.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 15 + 45 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 SCT32X15X45 FAQ
This tandem cylinder has four discrete mechanical stops. The rod positions are 0 mm (fully retracted), 15 mm (first section extended), 45 mm (second section extended), and 60 mm (both sections extended, total travel).
Yes, in many cases. The SCT32X15X45 provides two independent strokes on a common rod line, eliminating the need to synchronize two separate actuators. It is a direct form-fit replacement for another AirTAC SCT32X15X45, but it is not dimensionally interchangeable with ISO 15552 cylinders.
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