Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X450S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X450S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 450mm give 4 controllable stop positions across a 500mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 150 mm
- Stroke 2450 mm
- Total travel500 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X450S
The SCT32X50X450S is a double-acting multi-position cylinder that delivers four fixed rod positions from two independent piston sections: 0 mm (fully retracted), 50 mm, 450 mm, and the combined total travel of 500 mm. Each 32 mm bore section generates 402 N of push force at 0.5 MPa, driven through a 12 mm diameter piston rod with M10x1.25 threads.
A built-in magnet is integrated into the piston, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position sensing. The cylinder body has a 233 mm base length and uses a 21 mm air cushion in each section for adjustable end-of-stroke deceleration, making it suitable for light sorting or diverting tasks where distinct stops must be verified electronically.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X450S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X450S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 450 mm |
| Total travel | 500 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) | 450 mm |
| P3 (both extended) | 500 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 SCT32X50X450S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×450 | 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 SCT32X50X450S Is Used
Multi-Stop Diverter Gate
Actuates a diverter gate to four distinct positions for routing small packages or components on a conveyor line, with sensor feedback confirming each stop.
Two-Depth Pressing Station
Provides a shallow 50 mm approach stroke and a deep 450 mm pressing stroke, plus a combined 500 mm full-extension position for part ejection or tool change.
Sequential Part Feeding
Pushes components from a magazine in three incremental steps (50 mm, 450 mm, 500 mm) for staggered assembly or inspection operations.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X450S the Right Cylinder?
This tandem cylinder replaces setups that would otherwise require two separate 32 mm bore cylinders and external stops to achieve four positions, saving space and simplifying pneumatic circuitry. If your application requires higher force at the same pressure, consider stepping up to the SCT40 series, where each section provides 628 N of push at 0.5 MPa. For replacement, match the 32 mm bore, both strokes (50 mm and 450 mm), PT port thread, and the -S magnet option; the basic mounting style means no additional brackets are included. With the 450 mm stroke section extended, ensure the rod is externally guided if significant side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 450 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 SCT32X50X450S FAQ
It provides four discrete rod positions: 0 mm (retracted), 50 mm (first section extended), 450 mm (second section extended), and 500 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
No, the SCT32X50X450S does not have a mechanical lock or brake. If air pressure is lost or a valve centers, the piston can drift. To hold a load at a specific stop without live pressure, you must add an external rod lock or a pilot-operated check valve.
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