Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X5S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X5S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 25mm and 5mm give 4 controllable stop positions across a 30mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 125 mm
- Stroke 25 mm
- Total travel30 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X5S
The SCT32X25X5S is a multi-position tandem cylinder that delivers four fixed rod positions—0 mm (fully retracted), 5 mm, 25 mm, and the total travel of 30 mm—by pressurising its two piston sections independently or together. With a per-section push force of 402 N at 0.5 MPa and a 12 mm diameter rod, this double-acting unit provides discrete, repeatable stopping points for light-duty sequencing tasks.
This model includes a built-in magnet (-S suffix), allowing easy mounting of CMSG, DMSG, or EMSG sensors directly onto the tie-rod barrel for position feedback. The compact body length A is 233 mm, and the PT1/8 ports with M10x1.25 rod threads keep the footprint small for integration into precision fixtures.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X5S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X5S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 25 / 5 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) | 25 mm |
| P2 (section 2) | 5 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 SCT32X25X5S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×25 | Stroke 1 (section 1) in mm. |
| ×5 | 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 SCT32X25X5S Is Used
Two-Level Part Ejection
Uses the 5 mm and 25 mm stops to push parts to two different depths on a conveyor, sorting components by height with a single compact actuator.
Staged Clamping
Applies a light 5 mm touch for positioning a delicate workpiece, then extends to the full 30 mm for high-force clamping, all controlled by valve sequencing.
Dual-Path Diverter Gate
Positions a diverter gate at two distinct angles using the 5 mm and 25 mm rod extensions, routing small packages to separate lanes without an intermediate stop.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X5S the Right Cylinder?
Choose the SCT32X25X5S when your application needs four distinct mechanical stops without the complexity of two separate cylinders and external hard stops. For higher force requirements, consider stepping up to the 40 mm bore SCT, which provides 628 N of push per section at 0.5 MPa. A direct replacement must match the 32 mm bore, both the 25 mm and 5 mm strokes, PT port threads, and the integrated magnet for sensor compatibility.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 25 + 5 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 SCT32X25X5S FAQ
This cylinder provides four discrete positions: 0 mm (fully retracted), 5 mm (section 2 extended), 25 mm (section 1 extended), and 30 mm (both sections extended). The stops are fixed by the two stroke lengths and are selected by pressurising the corresponding air ports.
Yes, the -S suffix indicates a built-in magnet, making it compatible with AirTAC CMSG, DMSG, and EMSG series sensors. These clamp directly onto the cylinder's tie-rod barrel to detect the piston position at any of the four stops.
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