Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X40X60S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X40X60S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 40mm and 60mm give 4 controllable stop positions across a 100mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 140 mm
- Stroke 260 mm
- Total travel100 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X40X60S
The SCT50X40X60S tandem cylinder delivers four distinct rod positions—0 mm, 40 mm, 60 mm, and the full 100 mm extension—by pressurising its two piston sections independently or together. Each section provides 982 N of push force at 0.5 MPa, driven through a 20 mm diameter rod, making it a robust choice for multi-step indexing tasks.
A built-in magnet allows direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for electronic end-of-stroke confirmation at each discrete stop. The cylinder body measures 243 mm in length and features a 21 mm adjustable air cushion on each section to manage end-of-stroke impact.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X40X60S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X40X60S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 40 / 60 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) | 40 mm |
| P2 (section 2) | 60 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 SCT50X40X60S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×40 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT50X40X60S Is Used
Four-Position Sorting Gate
Directs packages to four separate conveyor lanes by stopping the rod at 0, 40, 60, or 100 mm, each corresponding to a different divert path.
Two-Depth Pressing Station
Executes a shallow 40 mm pre-press and a deeper 60 mm final press on the same part, with a 100 mm full-retract for clearing tooling.
Multi-Stop Part Transfer
Shifts a component through four precise locations on an assembly pallet, using the sensor-ready magnet to verify arrival at each discrete position.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X40X60S the Right Cylinder?
Choose the SCT50X40X60S when your process needs four fixed mechanical stops without the complexity of servo controls or multiple single-stroke cylinders. If your force requirement is lower, a 40 mm bore SCT provides 628 N of push per section; for heavier loads, stepping up to a 63 mm bore delivers 1559 N. This model is a direct replacement for any AirTAC SCT50 with 40 mm and 60 mm strokes, PT ports, and the -S magnet option.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 40 + 60 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 SCT50X40X60S FAQ
It has four discrete mechanical stops: 0 mm (fully retracted), 40 mm (section one extended), 60 mm (section two extended), and 100 mm (both sections extended). It is not a continuously variable positioning cylinder.
Yes, if your application currently uses two 50 mm bore cylinders to achieve 40 mm and 60 mm strokes. The SCT50X40X60S integrates both strokes into a single tandem body, reducing mounting hardware and simplifying the pneumatic circuit while maintaining the same 982 N push force per section.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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