Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X50
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X50 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 50mm give 4 controllable stop positions across a 150mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1100 mm
- Stroke 250 mm
- Total travel150 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X50
The SCT32X100X50 is a tandem multi-position cylinder that provides four fixed rod positions from its two unequal strokes: 0 mm (fully retracted), 50 mm, 100 mm, and the combined total travel of 150 mm. This discrete stop capability is achieved by pressurising the 32 mm bore sections independently or together, with each section delivering 402 N of push force at 0.5 MPa.
Built on a tie-rod body with a length A of 233 mm and a 12 mm diameter rod, the cylinder uses PT1/8 ports and an M10x1.25 rod thread. It features an adjustable pneumatic cushion of 21 mm at each end for smooth deceleration. The operating pressure range is 0.15–1.0 MPa, and the standard TPU seals suit ambient temperatures from -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X50 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X50 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 100 / 50 mm |
| Total travel | 150 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) | 100 mm |
| P2 (section 2) | 50 mm |
| P3 (both extended) | 150 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 SCT32X100X50
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×100 | 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 SCT32X100X50 Is Used
3-Way Diverter Gates
The four distinct positions (0, 50, 100, 150 mm) allow a single actuator to route packages or materials to three different conveyor lanes, replacing two separate cylinders and a complex linkage.
Multi-Depth Pressing
Achieve two different pressing depths in a single cycle. The 50 mm stroke handles a shallow form, while the 100 mm stroke completes a deeper draw, with a total travel of 150 mm for part ejection.
Staged Component Feeding
Precisely advance parts through a four-position pick-and-place sequence. The cylinder moves a gripper to a pick point (0 mm), a pre-inspection stop (50 mm), a main processing station (100 mm), and a full-extend drop-off (150 mm).
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X50 the Right Cylinder?
Select the SCT32X100X50 when your application requires four distinct linear positions without the complexity of servo control or multiple actuators. This model is a direct alternative to using two separate SC32 cylinders with external hard stops, saving space and simplifying pneumatic circuitry. For higher thrust, consider stepping up to the SCT40 series, which provides 628 N of push per section at 0.5 MPa.
When replacing an existing unit, match the 32 mm bore, the 100 mm and 50 mm stroke sections, PT port thread, and basic mounting configuration. If a section stroke exceeds 300 mm, evaluate the rod for side-loading and consider adding an external guide to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 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 SCT32X100X50 FAQ
This tandem cylinder provides four discrete mechanical stops. The rod positions are 0 mm (fully retracted), 50 mm (first section extended), 100 mm (second section extended), and 150 mm (both sections fully extended). The positions are fixed by the two stroke lengths and are not infinitely variable.
The SCT integrates two piston sections on a single common rod, guaranteeing a fixed geometric relationship between the stop positions. This eliminates the need to synchronise two separate cylinders and their mountings, reducing installation time, alignment issues, and overall space requirements compared to a dual-cylinder setup.
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