Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X15X85S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X15X85S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 15mm and 85mm give 4 controllable stop positions across a 100mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 115 mm
- Stroke 285 mm
- Total travel100 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X15X85S
The SCT50X15X85S is a double-acting multi-position cylinder that delivers four fixed rod positions: fully retracted (0 mm), an intermediate stop at 15 mm, a second stop at 85 mm, and full extension at 100 mm. Each piston section generates a push force of 982 N at 0.5 MPa, making it suitable for light-duty sorting or diverting tasks where two distinct short-throw positions are required.
This model includes a built-in magnet, allowing easy attachment of CMSG, DMSG, or EMSG sensors directly to the 50 mm bore tie-rod barrel for end-of-stroke or mid-stroke position confirmation. The 20 mm diameter rod and PT1/4 ports handle standard pneumatic connections, while the 21 mm adjustable air cushion at each end decelerates the load smoothly.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X15X85S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X15X85S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 15 / 85 mm |
| Total travel | 100 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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) | 15 mm |
| P2 (section 2) | 85 mm |
| P3 (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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 SCT50X15X85S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×15 | Stroke 1 (section 1) in mm. |
| ×85 | 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 SCT50X15X85S Is Used
Two-Stage Sorting Gate
Diverts parts to one of two lanes using the 15 mm and 85 mm stops, with sensor confirmation at each position via the built-in magnet.
Dual-Depth Stamping
Presses a component at a shallow 15 mm depth, then advances to a deeper 85 mm set point in a two-stage forming operation.
Label Applicator
Applies a label at the 15 mm home position and a second label further along the product at the 85 mm extension point.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X15X85S the Right Cylinder?
Opting for an SCT tandem cylinder over two separate standard cylinders reduces installation space and eliminates the need to synchronize two independent units. The 15 mm and 85 mm stroke combination provides a compact solution for applications needing a short primary movement and a longer secondary feed. If higher force is needed, consider the 63 mm bore version, which provides 1559 N of push per section at the same pressure. To replace this unit, match the 50 mm bore, the exact 15 mm and 85 mm strokes, PT port threads, and the -S magnet option.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 15 + 85 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 SCT50X15X85S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (retracted), 15 mm, 85 mm, and 100 mm (full extension). It is not infinitely adjustable.
Yes, the -S suffix denotes a factory-installed magnetic piston, enabling direct mounting of AirTAC CMSG, DMSG, or EMSG solid-state sensors on the tie-rod barrel for position sensing.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
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