Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X25S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X25S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 25mm give 4 controllable stop positions across a 85mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 160 mm
- Stroke 225 mm
- Total travel85 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X25S
The SCT32X60X25S is a tandem multi-position pneumatic cylinder that delivers four distinct rod positions—0 mm, 25 mm, 60 mm, and the combined 85 mm total travel—from a single compact unit. It uses a 12 mm diameter rod and PT1/8 ports, with each piston section generating 402 N of push force at 0.5 MPa, making it a precise solution for light-duty sorting or diverting tasks.
This model includes a built-in magnet, allowing direct mounting of CMSG/DMSG/EMSG sensors on the tie-rod barrel for reliable end-of-stroke or mid-position detection. The adjustable air cushion at each end (21 mm length) decelerates the load smoothly, while the standard TPU seals provide reliable operation from -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X25S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X25S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 60 / 25 mm |
| Total travel | 85 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) | 60 mm |
| P2 (section 2) | 25 mm |
| P3 (both extended) | 85 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 SCT32X60X25S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×60 | 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 SCT32X60X25S Is Used
4-Position Part Diverting
Uses the four discrete stops (0, 25, 60, 85 mm) to route small components to separate lanes on a conveyor, controlled by pressurizing the two cylinder sections independently.
Two-Depth Light Pressing
Delivers a primary 60 mm advance and a secondary 25 mm pressing stroke. The 402 N push force per section at 0.5 MPa is suitable for inserting pins or light staking operations.
Multi-Stop Sensor Calibration
The built-in magnet and sensor compatibility allow the 85 mm total travel to be used in test fixtures, moving a target to four known positions for calibrating optical or proximity sensors.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X25S the Right Cylinder?
Choose the SCT32X60X25S when an application requires four fixed stop points without the complexity of servo controls or multiple individual cylinders. It replaces setups using two separate 32 mm bore cylinders and external stops, simplifying plumbing and reducing space. For a direct replacement, match the 32 mm bore, both strokes (60 mm and 25 mm), PT port thread, and the built-in magnet (-S suffix).
If higher force is needed, stepping up to the 40 mm bore provides 628 N of push per section at 0.5 MPa. For this specific model, the shorter 25 mm stroke on section two creates an asymmetric position set ideal for two-step feeding mechanisms where the first advance is longer than the second.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 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 SCT32X60X25S FAQ
It provides four distinct mechanical stop positions: 0 mm (fully retracted), 25 mm (section two extended), 60 mm (section one extended), and 85 mm (both sections extended). These are achieved by pressurizing the two piston sections separately or together.
Yes, it is designed to replace such a setup, saving space and simplifying valve wiring. Ensure the replacement matches the 32 mm bore, the specific 60 mm and 25 mm strokes, the PT port thread, and the built-in magnet requirement for sensor mounting.
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