Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X30S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X30S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 40mm and 30mm give 4 controllable stop positions across a 70mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 140 mm
- Stroke 230 mm
- Total travel70 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X30S
The SCT32X40X30S tandem cylinder delivers four fixed rod positions—0 mm, 40 mm, 30 mm, and 70 mm total travel—by pressurising its two piston sections independently. With a 12 mm rod and compact 233 mm body length, it fits neatly into sorting or diverting stations where multiple end-of-stroke locations are needed without extra actuators.
Each 32 mm bore section generates 402 N of push force at 0.5 MPa (724 N at 0.9 MPa), giving predictable thrust at every stop. The built-in magnet allows CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for reliable position feedback, and the standard PT1/8 ports keep plumbing simple.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X30S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X30S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 40 / 30 mm |
| Total travel | 70 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) | 40 mm |
| P2 (section 2) | 30 mm |
| P3 (both extended) | 70 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 SCT32X40X30S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×40 | Stroke 1 (section 1) in mm. |
| ×30 | 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 SCT32X40X30S Is Used
Multi-lane diverter gates
Use the four distinct positions (0, 30, 40, 70 mm) to route packages or components into three separate lanes from a single infeed conveyor.
Two-depth pressing or staking
Achieve a shallow 30 mm press depth and a deeper 40 mm depth from the same actuator, with the full 70 mm stroke reserved for part ejection or clearance.
Staged assembly stops
Move a tooling plate to a pick position (0 mm), a dispense height (30 mm), a placement height (40 mm), and a full-retract safe position (70 mm) in one compact unit.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X30S the Right Cylinder?
Choose the SCT32 when you need up to four mechanical stops from a single tie-rod assembly, avoiding the cost and complexity of two separate cylinders and external hard stops. For higher push force, step to the 40 mm bore (628 N push per section at 0.5 MPa); for a lighter, more compact station, the 32 mm bore is the smallest SCT frame available. This model is a direct replacement for another AirTAC SCT32X40X30S—matching bore, both strokes, PT thread, and the -S magnet option is essential if your control system relies on barrel-mounted sensors.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 40 + 30 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 SCT32X40X30S FAQ
Because the two strokes are different (40 mm and 30 mm), this model provides four distinct rod positions: 0 mm (fully retracted), 40 mm (section 1 extended), 30 mm (section 2 extended), and 70 mm (both sections extended).
Yes. The -S suffix indicates a built-in magnet, so CMSG (reed), DMSG, or EMSG (solid-state) sensors mount directly onto the tie-rod barrel to detect each of the four stop positions.
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