Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X100S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X100S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 100mm give 3 controllable stop positions across a 200mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1100 mm
- Stroke 2100 mm
- Total travel200 mm
- Positions3 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X100S
The SCT32X100X100S is a tandem multi-position cylinder that delivers three fixed rod positions—0 mm, 100 mm, and 200 mm total travel—by pressurising its two 100 mm stroke sections. Each piston section provides 402 N of push force at 0.5 MPa, driven by a 12 mm diameter rod through PT1/8 ports, making it a compact solution for light-duty sorting or diverting tasks.
A built-in magnet (denoted by the -S suffix) allows direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for contactless position feedback. The cylinder body measures 233 mm in the retracted state (A dimension) and uses a 21 mm adjustable air cushion in each section to manage end-of-stroke deceleration. It operates on standard 40 µm filtered air at pressures from 0.15 to 1.0 MPa.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X100S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X100S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 100 / 100 mm |
| Total travel | 200 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 100 mm |
| P2 (both extended) | 200 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 SCT32X100X100S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×100 | 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 SCT32X100X100S Is Used
Three-Way Part Sorting
Uses the three distinct rod positions (0, 100, 200 mm) to direct parts into three separate chutes or conveyor lanes from a single feed point.
Two-Stage Clamping
Provides a partial clamp at the 100 mm stroke for alignment, followed by full clamping force at the 200 mm total extension, all from one compact actuator.
Multi-Step Assembly Stop
Positions a tooling plate at a safe retracted height, a mid-point for component placement, and a final extended position for pressing or joining.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X100S the Right Cylinder?
Choose the SCT32X100X100S when a single actuator must provide three fixed stops without the complexity of two separate cylinders and external hard stops. For higher force requirements, stepping up to the 40 mm bore SCT40X100X100 delivers 628 N of push per section at 0.5 MPa. When replacing an existing unit, match the 32 mm bore, both 100 mm strokes, PT port thread, and the magnetic piston option; this model uses a basic mount, so any external brackets must be ordered separately. If the application involves significant side loading at the 200 mm full extension, external guide rods or a linear rail are recommended to protect the rod bearings.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 100 + 100 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 SCT32X100X100S FAQ
This model provides three distinct mechanical stops: 0 mm (fully retracted), 100 mm (first section extended), and 200 mm (both sections extended). Because both stroke sections are equal at 100 mm, the mid and full-extension positions are evenly spaced.
Yes, in many cases it is a drop-in upgrade that eliminates the need for external stroke alignment. Ensure the replacement matches the 32 mm bore, both 100 mm strokes, PT ports, and the magnetic piston for sensor compatibility. The SCT uses a single tie-rod body with a shared rod, simplifying mounting compared to aligning two individual cylinders.
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