Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X15S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X15S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 15mm give 4 controllable stop positions across a 165mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1150 mm
- Stroke 215 mm
- Total travel165 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X15S
The SCT32X150X15S is a tie-rod multi-position cylinder that provides four fixed rod positions: 0 mm (fully retracted), 15 mm, 150 mm, and the combined total travel of 165 mm. Each 32 mm bore section delivers 402 N of push force at 0.5 MPa and up to 724 N at the maximum operating pressure of 0.9 MPa, making it suitable for compact diverting or two-stage feeding tasks.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG sensors to clamp directly onto the barrel for position feedback. The 12 mm diameter piston rod and PT1/8 ports keep the footprint small, while the 21 mm adjustable air cushion at each end section helps manage kinetic energy during high-cycle moves.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X15S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X15S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 150 / 15 mm |
| Total travel | 165 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) | 150 mm |
| P2 (section 2) | 15 mm |
| P3 (both extended) | 165 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 SCT32X150X15S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×15 | 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 SCT32X150X15S Is Used
Two-Way Part Diverting
Uses the 15 mm and 150 mm positions to shift a diverter gate between two conveyor lanes, providing a compact alternative to rotary actuators.
Two-Depth Pressing
The 15 mm stroke acts as a light pre-press or locating stop, while the full 165 mm travel completes the main pressing operation in assembly fixtures.
Multi-Stop Feeding
Advances material in two distinct steps (15 mm and 150 mm) for punching or cutting stations that require a short index followed by a full strip feed.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X15S the Right Cylinder?
Choose the SCT32X150X15S when a single cylinder must deliver a long primary stroke and a short secondary position without the complexity of two separate actuators. The four discrete stops eliminate the need for external hard stops or shimming, reducing assembly time and part count. If the 402 N push force per section at 0.5 MPa is insufficient, stepping up to the 40 mm bore (SCT40) provides 628 N per section.
For replacement, match the bore (32 mm), both strokes (150 mm and 15 mm), PT thread, basic mounting, and the -S magnet option. Since the primary stroke is 150 mm, side-loading is minimal, but always centre the load on the rod axis to preserve seal life.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 15 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 SCT32X150X15S FAQ
It provides four discrete rod positions: 0 mm (retracted), 15 mm, 150 mm, and 165 mm (total travel). These are fixed by the two section strokes and are selected by pressurising the front, rear, or both cylinder sections.
Yes, in applications requiring two fixed stroke lengths from a single mounting point. Ensure the replacement matches the 32 mm bore, 150 mm and 15 mm strokes, PT ports, and the -S magnet option. It reduces plumbing and mounting hardware compared to two individual cylinders.
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