Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X75
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X75 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 75mm give 4 controllable stop positions across a 125mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 150 mm
- Stroke 275 mm
- Total travel125 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X75
The SCT32X50X75 tandem cylinder provides four fixed rod positions—0, 50, 75, and 125 mm—by pressurising its two piston sections independently. Each 32 mm bore section generates 402 N of push force at 0.5 MPa, rising to 724 N at the maximum operating pressure of 0.9 MPa, making it a compact solution for light-duty multi-stop tasks.
Built on a durable tie-rod design with a 12 mm rod and M10x1.25 rod thread, this cylinder uses PT1/8 ports and features a 21 mm adjustable air cushion in each section. The body length A is 233 mm, providing a rigid base for sequencing operations where a single cylinder must reach two intermediate positions without external hard stops.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X75 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X75 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 75 mm |
| Total travel | 125 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) | 50 mm |
| P2 (section 2) | 75 mm |
| P3 (both extended) | 125 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 SCT32X50X75
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×75 | 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 SCT32X50X75 Is Used
Two-Stage Part Diverting
Uses the 50 mm stroke for a primary divert and the 75 mm stroke for a secondary lane, routing small components to four different conveyor paths from one actuator.
Multi-Level Pallet Stop
Positions at 0, 50, 75, and 125 mm act as a sequencing gate, releasing pallets in a controlled, stepped manner on a gravity feed line.
Dual-Depth Pressing
Delivers a partial press at the 50 mm position and a full-depth press at 125 mm, with the 75 mm stop serving as a safe intermediate retract point in a light assembly fixture.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X75 the Right Cylinder?
Choose the SCT32X50X75 when your application requires four distinct end-of-stroke positions from a single compact unit, eliminating the complexity of two separate cylinders and their mounting hardware. The 50 mm and 75 mm strokes give you a short primary advance and a longer secondary shift, ideal for two-step ejection or sorting. If higher thrust is needed, stepping up to the 40 mm bore provides 628 N of push per section at 0.5 MPa. For direct replacement, match the 32 mm bore, both the 50 mm and 75 mm strokes, PT port thread, and basic mounting configuration.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 75 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 SCT32X50X75 FAQ
This 4-position cylinder stops at 0 mm (fully retracted), 50 mm (section 1 extended), 75 mm (section 2 extended), and 125 mm (both sections extended). The positions are discrete and fixed by the two stroke lengths.
The SCT tandem cylinder provides the same four end-of-stroke positions on a single common rod line, which simplifies mounting, reduces overall length, and ensures the positions are mechanically linked. Two separate cylinders would require additional brackets, alignment, and sequencing logic to achieve the same set of fixed stops.
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