Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X5X65
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X5X65 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 5mm and 65mm give 4 controllable stop positions across a 70mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 15 mm
- Stroke 265 mm
- Total travel70 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X5X65
The SCT32X5X65 tandem cylinder delivers four precise mechanical stop positions along its 70 mm total travel: fully retracted (0 mm), 5 mm, 65 mm, and fully extended (70 mm). Each 32 mm bore piston section generates 402 N of push force at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks where two distinct extended positions are required without electronic controls.
This tie-rod cylinder uses a 12 mm diameter piston rod with M10x1.25 threads and PT1/8 ports. The adjustable air cushion at each end cap provides 21 mm of deceleration to manage end-of-stroke impact. Its body length A(SCT) is 233 mm, offering a space-efficient footprint for machinery with tight linear constraints.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X5X65 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X5X65 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 5 / 65 mm |
| Total travel | 70 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) | 5 mm |
| P2 (section 2) | 65 mm |
| P3 (both extended) | 70 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 SCT32X5X65
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×5 | Stroke 1 (section 1) in mm. |
| ×65 | 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 SCT32X5X65 Is Used
Two-Way Diverter Gate
Use the 5 mm and 65 mm positions to direct small parts into two separate chutes from a single feed point, simplifying conveyor routing logic.
Two-Depth Pressing
Achieve a light touch at 5 mm extension for pre-loading and a full 65 mm stroke for final insertion, controlling two depths with one tandem cylinder.
Multi-Stop Feeding
Index a workpiece carrier to a 5 mm inspection station and a 65 mm assembly station, using fixed pneumatic stops for repeatable positioning.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X5X65 the Right Cylinder?
Choose the SCT32X5X65 when your process needs a short partial-extension stop (5 mm) and a longer working stroke (65 mm) from a single pneumatic circuit, eliminating the complexity of two separate actuators and external hard stops. If the 402 N push force per section at 0.5 MPa is insufficient, stepping up to the 40 mm bore SCT provides 628 N push force under the same pressure.
For a direct replacement, match the 32 mm bore, the exact 5 mm and 65 mm stroke combination, PT port thread, and basic mounting configuration. Since neither stroke exceeds 300 mm, rod buckling and side-load concerns are minimal under normal axial loading conditions.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 5 + 65 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 SCT32X5X65 FAQ
This tandem cylinder provides four discrete rod positions: 0 mm (fully retracted), 5 mm (first section extended), 65 mm (second section extended), and 70 mm (both sections extended). It does not offer infinitely variable positioning.
The SCT integrates two piston sections on a single common rod, ensuring the 5 mm and 65 mm strokes are always coaxial. This reduces mounting hardware, eliminates alignment issues between separate cylinders, and simplifies the pneumatic circuit for two-position extension sequences.
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