Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X175S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X175S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 25mm and 175mm give 4 controllable stop positions across a 200mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 125 mm
- Stroke 2175 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X175S
The SCT32X25X175S is a tandem multi-position cylinder providing four distinct rod positions: fully retracted (0 mm), 25 mm, 175 mm, and the total travel of 200 mm. Each of the two 32 mm bore sections delivers a push force of 402 N at 0.5 MPa, making it suitable for light sorting or diverting tasks where multiple fixed endpoints are required.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position feedback. The 12 mm diameter piston rod and PT1/8 ports keep the assembly compact, while the 21 mm adjustable air cushion at each end section helps manage end-of-stroke impact across the 30-800 mm/s speed range.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X175S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X175S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 25 / 175 mm |
| Total travel | 200 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) | 25 mm |
| P2 (section 2) | 175 mm |
| P3 (both extended) | 200 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 SCT32X25X175S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×25 | Stroke 1 (section 1) in mm. |
| ×175 | 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 SCT32X25X175S Is Used
Two-Way Diverter Gate
Use the 25 mm stroke to open a gate partially for one product lane, and the 175 mm stroke for a second lane. The 200 mm total travel clears the path completely, all from one compact actuator.
Multi-Depth Stop in Assembly
Set a pressing or insertion tool to two different depths. The 25 mm position handles a shallow pre-set, while the 175 mm position drives a component to its final seated depth, with the 12 mm rod guiding the tooling.
Staggered Part Ejection
Eject parts at two different points along a conveyor. The short 25 mm stroke pushes a part off early, and the longer 175 mm stroke ejects a part further downstream, controlled by the sensor feedback from the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X175S the Right Cylinder?
Choose the SCT32X25X175S when your application needs four fixed mechanical stops without the complexity of two separate cylinders and external bracketry. The 25 mm and 175 mm strokes give a short extension and a longer intermediate position, ideal for two-step feeding. If you require more force per section, step up to the SCT40 bore, which provides 628 N of push at the same 0.5 MPa pressure.
For a direct replacement, match the 32 mm bore, both the 25 mm and 175 mm section strokes, PT port thread, and the integrated magnet. This SCT uses a basic tie-rod mounting; if a pivoting action is needed, consider a model with a CA or CB rear clevis.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 25 + 175 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 SCT32X25X175S FAQ
It provides four discrete mechanical stops: 0 mm (fully retracted), 25 mm, 175 mm, and 200 mm (both sections extended). These are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, the 'S' suffix indicates a built-in magnet along the barrel. This allows you to mount AirTAC CMSG, DMSG, or EMSG reed or solid-state sensors directly onto the tie-rods to detect the piston position at any point along the 200 mm total travel.
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