Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X120X60S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X120X60S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 120mm and 60mm give 4 controllable stop positions across a 180mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1120 mm
- Stroke 260 mm
- Total travel180 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X120X60S
The SCT32X120X60S is a tandem multi-position cylinder that delivers four distinct rod positions from two strokes on a single axis: 0 mm (fully retracted), 60 mm, 120 mm, and the combined 180 mm total travel. Each piston section provides 402 N of push force at 0.5 MPa (724 N at 0.9 MPa), making it a compact alternative to two separate 32 mm bore cylinders for sequenced stop applications.
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 at each stop. The 12 mm diameter rod, PT1/8 ports, and 21 mm air cushion at each end cap provide reliable deceleration. The body length A(SCT) is 233 mm plus the two stroke lengths, giving a total envelope that is easy to integrate into multi-step feeding or diverting stations.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X120X60S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X120X60S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 120 / 60 mm |
| Total travel | 180 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) | 120 mm |
| P2 (section 2) | 60 mm |
| P3 (both extended) | 180 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 SCT32X120X60S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×120 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT32X120X60S Is Used
3-Way Part Diverting
Use the four discrete positions (0, 60, 120, 180 mm) to guide parts into three separate lanes on a conveyor. The built-in magnet enables sensor confirmation at each diverting gate position.
Multi-Depth Press Insertion
Control two insertion depths in one cycle: stroke to 60 mm for a partial press, then to 120 mm for full seating. The 724 N force at 0.9 MPa handles light bearing or bushing insertions.
Sequential Labeling Station
Position a labeling head at two different heights (60 mm and 120 mm) on a single product. The tandem design keeps the tooling aligned, avoiding the cumulative tolerance stack of two separate actuators.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X120X60S the Right Cylinder?
Choose the SCT when your process needs two or three intermediate stop positions without the complexity and plumbing of two independent cylinders and external hard stops. The 32 mm bore suits light handling and sorting tasks; if you need more thrust, stepping up to the 40 mm bore (628 N push at 0.5 MPa) is straightforward while keeping the same multi-position logic. For replacement, match the bore (32), both strokes (120 mm and 60 mm), PT port thread, and the built-in magnet (-S). The basic mounting configuration accepts the full SCT accessory range—FA/FB flanges, CA/CB devises, or LB foot mounts—should your mounting requirements change.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 120 + 60 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 SCT32X120X60S FAQ
It provides four discrete stop positions: 0 mm (fully retracted), 60 mm (stroke of the second section), 120 mm (stroke of the first section), and 180 mm (both sections extended, total travel). The stops are fixed by the two stroke lengths and are selected by pressurizing the appropriate cylinder sections.
Yes, if your sequence requires two fixed intermediate positions. The SCT32X120X60S combines both strokes on one common rod line, eliminating the need to synchronize two separate cylinders and their mountings. Ensure the replacement matches the 32 mm bore, 120 mm and 60 mm strokes, PT ports, and the -S magnet option for sensor compatibility.
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