Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X32X320S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X32X320S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 32mm and 320mm give 4 controllable stop positions across a 352mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 132 mm
- Stroke 2320 mm
- Total travel352 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X32X320S
The SCT32X32X320S tandem cylinder delivers four fixed rod positions—0 mm, 32 mm, 320 mm, and the full 352 mm total travel—by pressurising its two piston sections independently. Each 32 mm bore section generates 402 N of push force at 0.5 MPa, making it suitable for light sorting or diverting tasks where a short intermediate stop and a longer primary stroke are needed.
A built-in magnet (the -S suffix) allows direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for end-of-stroke or mid-position confirmation. The 12 mm diameter rod and 21 mm adjustable air cushion at each end help manage the 320 mm section’s momentum, while the PT1/8 ports keep the envelope compact for tight machine layouts.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X32X320S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X32X320S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 32 / 320 mm |
| Total travel | 352 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) | 32 mm |
| P2 (section 2) | 320 mm |
| P3 (both extended) | 352 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 SCT32X32X320S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×32 | Stroke 1 (section 1) in mm. |
| ×320 | 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 SCT32X32X320S Is Used
Two-Way Part Diverting
A 32 mm short stroke positions a diverter gate at a primary lane, while the 320 mm stroke shifts it to a secondary lane, giving four gate positions for routing parcels or small components.
Multi-Depth Label Application
The 32 mm stroke sets a light tack-down position, and the 320 mm stroke applies full pressure for a second label depth, with sensors detecting each stop via the built-in magnet.
Two-Stage Clamping Fixture
A 32 mm advance pre-positions a clamp jaw near the workpiece, followed by a 320 mm power stroke for final clamping, controlled by two separate valve signals.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X32X320S the Right Cylinder?
Choose the SCT32X32X320S when a single actuator must reach two distinct extended positions without adding a second cylinder and external hard stops. The 32 mm bore suits light push forces; if the application needs more thrust at the 320 mm or 352 mm stop, step up to the 40 mm bore (628 N push at 0.5 MPa per section). For replacement, match the bore (32), both strokes (32 and 320), PT port thread, and the -S magnet option—this model uses basic mounting, so confirm your existing bracket style if one is fitted. With the 320 mm section extended, avoid high side loads; a guide rod or external linear rail is recommended to protect the 12 mm rod from bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 32 + 320 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 SCT32X32X320S FAQ
It provides four discrete rod positions: 0 mm (fully retracted), 32 mm (first section extended), 320 mm (second section extended), and 352 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, in applications requiring two distinct extended stops along the same axis. It eliminates the need for a second cylinder and its mounting hardware. Ensure the replacement matches the 32 mm bore, 32 mm and 320 mm strokes, PT ports, and the -S magnet if sensor feedback is used.
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