Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X120S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X120S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 30mm and 120mm give 4 controllable stop positions across a 150mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 130 mm
- Stroke 2120 mm
- Total travel150 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X120S
The SCT32X30X120S is a tandem multi-position cylinder that provides four fixed rod positions: fully retracted (0 mm), 30 mm, 120 mm, and the combined 150 mm total travel. Each actuated piston section delivers a push force of 402 N at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks where pneumatic control replaces multiple single-stroke cylinders.
This model includes a built-in magnet, allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for end-of-stroke or mid-position sensing. The 12 mm diameter rod and PT1/8 ports keep the footprint small, while the 21 mm air cushion at each end section absorbs shock quietly. The body length A(SCT) is 233 mm.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X120S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X120S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 30 / 120 mm |
| Total travel | 150 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) | 120 mm |
| P3 (both extended) | 150 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 SCT32X30X120S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×30 | Stroke 1 (section 1) in mm. |
| ×120 | 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 SCT32X30X120S Is Used
Multi-Chute Sorting
Diverts small packages to one of four conveyor lanes by stopping the rod at 0, 30, 120, or 150 mm, directing a flipper gate through distinct angles.
Two-Depth Pressing
Operates a press tool to two different insertion depths in sequence—first a partial press at 30 mm, then a full-depth press at the combined 150 mm stroke.
Staged Part Ejection
Ejects finished parts from a die in two stages: a short 30 mm push to break the part free, followed by a 120 mm extension to clear the tooling area completely.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X120S the Right Cylinder?
Choose this 32 mm bore SCT when you need four distinct stop points in a space-constrained fixture, avoiding the complexity of two separate 32 mm cylinders and external hard stops. If your load requires higher force per section, step up to the 40 mm bore, which provides 628 N of push at 0.5 MPa. For a drop-in replacement, match the 32 mm bore, both strokes (30 mm and 120 mm), the PT port thread, and the built-in magnet (-S suffix). Since the second stroke reaches 120 mm, ensure the rod is guided if side loads are present to prevent bending of the 12 mm rod.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 30 + 120 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 SCT32X30X120S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 30 mm (section 1 extended), 120 mm (section 2 extended), and 150 mm (both sections extended). You select the position by pressurizing the appropriate air ports.
Yes, it often can. The SCT32X30X120S combines a 30 mm and a 120 mm stroke on a single common rod, giving you four fixed positions from two solenoid valves instead of mounting and aligning two separate cylinders. Ensure your replacement matches the 32 mm bore, both stroke lengths, PT ports, and the magnetic piston option.
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