Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X25
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X25 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 25mm give 4 controllable stop positions across a 75mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 150 mm
- Stroke 225 mm
- Total travel75 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X25
The SCT32X50X25 tandem cylinder provides four fixed rod positions—0 mm, 25 mm, 50 mm, and 75 mm—by pressurising one or both of its 50 mm and 25 mm stroke sections. Each section delivers 402 N of push force at 0.5 MPa, making it ideal for light sorting or diverting tasks where a compact 32 mm bore is required.
The 12 mm diameter rod and 21 mm air cushion at each end provide smooth deceleration, while the 233 mm tie-rod body length keeps the assembly rigid. At 0.9 MPa, thrust per section reaches 724 N, offering a genuine AirTAC solution for multi-stop feeding mechanisms.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X25 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X25 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 25 mm |
| Total travel | 75 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) | 25 mm |
| P3 (both extended) | 75 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 SCT32X50X25
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×25 | 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 SCT32X50X25 Is Used
Two-Way Diverter Gate
Positions at 0, 25, 50, and 75 mm allow a blade or flap to direct parts into four separate chutes on a packaging line.
Multi-Depth Label Press
Applies labels at two different insertion depths (25 mm and 50 mm) with a fully retracted home and a 75 mm clearance position for maintenance.
Step Feeder
Advances components in precise 25 mm increments, with a 50 mm rapid-advance stroke, giving four programmable feed lengths from a single actuator.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X25 the Right Cylinder?
Choose the SCT32X50X25 when your application needs four distinct mechanical stops without the complexity of two separate cylinders and external hard stops. If higher force is needed, step up to the 40 mm bore, which provides 628 N of push per section at the same pressure. For replacement, match the 32 mm bore, both the 50 mm and 25 mm strokes, PT port thread, and basic mounting. Any deviation in stroke lengths will alter the position set.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 25 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 SCT32X50X25 FAQ
It provides four discrete mechanical stops: fully retracted (0 mm), first section extended (25 mm), second section extended (50 mm), and both sections extended (75 mm total travel).
Yes, if your sequence requires the rod to stop at 0, 25, 50, and 75 mm. The SCT achieves this with one body, reducing mounting hardware and alignment complexity compared to two individual cylinders.
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Related AirTAC SCT Multi-Position Cylinders
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