Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X15
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X15 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 30mm and 15mm give 4 controllable stop positions across a 45mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 130 mm
- Stroke 215 mm
- Total travel45 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X15
The SCT32X30X15 is a double-acting multi-position cylinder that delivers four fixed rod positions from two piston sections on a common rod line. The reachable stops are 0 mm (fully retracted), 30 mm (section one extended), 15 mm (section two extended), and 45 mm (both sections extended for total travel). This discrete positioning is achieved by pressurising each section independently or together, making it ideal for simple two-depth or three-stop operations without complex controls.
Each 32 mm bore section produces 402 N of push force at 0.5 MPa and 724 N at the maximum operating pressure of 0.9 MPa. The cylinder features a 12 mm diameter rod, M10x1.25 rod thread, PT1/8 ports, and a 21 mm air cushion for smooth end-of-stroke deceleration. The tie-rod body has a length A of 233 mm, providing a compact tandem package for light sorting and diverting tasks.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X15 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X15 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 30 / 15 mm |
| Total travel | 45 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) | 30 mm |
| P2 (section 2) | 15 mm |
| P3 (both extended) | 45 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 SCT32X30X15
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×30 | Stroke 1 (section 1) in mm. |
| ×15 | 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 SCT32X30X15 Is Used
Two-Way Part Diverting
Uses the 30 mm and 15 mm strokes to shift a diverter gate to two distinct angled positions, routing small parts down separate chutes from a single feed line.
Multi-Depth Labeling
Applies labels at two different heights (15 mm and 45 mm total travel) on stepped product surfaces, ensuring consistent placement without manual adjustment.
Staged Ejector Mechanism
Provides a partial eject at 15 mm to break a part free, followed by a full 45 mm ejection stroke, preventing damage to delicate components during automated removal.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X15 the Right Cylinder?
Choose the SCT32X30X15 when your application needs four distinct mechanical stops without the cost and complexity of servo positioning. It outperforms two separate cylinders or an SC unit with external hard stops by guaranteeing fixed, repeatable positions directly from the two stroke lengths. This model is a direct replacement for any existing AirTAC SCT32X30X15 with basic mounting, PT ports, and no magnet.
If your force requirement increases, consider stepping up to the 40 mm bore SCT40, which provides 628 N of push per section at 0.5 MPa. Always ensure the load is guided if either stroke section exceeds 300 mm, though at 30 mm and 15 mm, side-loading is typically minimal on this short-stroke tandem unit.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 30 + 15 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 SCT32X30X15 FAQ
This model provides four discrete rod positions: 0 mm (retracted), 30 mm (first section extended), 15 mm (second section extended), and 45 mm (both sections extended for full travel). The unequal strokes create four distinct stops.
Yes, in many cases. The SCT32X30X15 integrates two piston sections on one rod, saving space and eliminating the need to synchronise two separate cylinders. It is a direct drop-in replacement for another AirTAC SCT32X30X15 with the same bore, both strokes, PT ports, and basic mounting.
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