Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X50S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X50S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 50mm give 3 controllable stop positions across a 100mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 150 mm
- Stroke 250 mm
- Total travel100 mm
- Positions3 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X50S
The SCT32X50X50S is a tandem multi-position cylinder providing three fixed rod positions: fully retracted (0 mm), mid-stroke (50 mm), and full extension (100 mm). Each piston section delivers 402 N of push force at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks. The 12 mm diameter rod and 21 mm air cushion at each end ensure smooth, repeatable stopping at every discrete position.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position confirmation. Operating on standard filtered air, the TPU seals provide a reliable temperature range of -20 to +70 °C. The body length A(SCT) is 233 mm, offering a space-efficient footprint for multi-stop pneumatic circuits.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X50S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X50S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 50 mm |
| Total travel | 100 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) | 50 mm |
| P2 (both extended) | 100 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 SCT32X50X50S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×50 | 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 SCT32X50X50S Is Used
3-Way Part Diverting
Use the three discrete positions (0, 50, 100 mm) to direct small components down different chutes on a conveyor line, with sensors confirming the gate position at each stop.
Multi-Level Pusher
Push cartons to two different take-away lanes. The mid-stroke (50 mm) handles one lane, while full extension (100 mm) reaches the second, all from a single compact actuator.
Two-Depth Insertion
Install pins or bushings to two controlled depths in a fixture. The fixed 50 mm and 100 mm strokes ensure consistent insertion without over-travel.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X50S the Right Cylinder?
Choose the SCT32X50X50S when your application needs three distinct mechanical stops without the complexity of two separate cylinders and external bracketry. The tandem design guarantees the 50 mm and 100 mm positions are inherently fixed relative to each other, eliminating drift between stages. If you require higher force at the same stops, stepping up to the SCT40 series provides 628 N of push per section at 0.5 MPa.
For a direct replacement, match the 32 mm bore, both 50 mm strokes, PT port thread, and the -S magnet option. This cylinder uses the basic mounting style, so ensure your machine frame accepts the standard tie-rod end caps. For strokes of 300 mm or longer, consider external guides to protect the 12 mm rod from side-loading.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 50 + 50 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 SCT32X50X50S FAQ
This model provides 3 distinct mechanical stops. Because stroke1 equals stroke2 (both 50 mm), the rod positions are 0 mm (fully retracted), 50 mm (first section extended), and 100 mm (both sections extended, total travel).
Yes, it is a direct functional replacement that simplifies mounting and plumbing. The SCT32X50X50S guarantees the relative distance between the two stops is fixed. Ensure you match the 32 mm bore, PT ports, and the -S magnet if you need sensor feedback.
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