Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X75SLB
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X75SLB is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 25mm and 75mm give 4 controllable stop positions across a 100mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 125 mm
- Stroke 275 mm
- Total travel100 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X75SLB
The SCT32X25X75SLB is a double-acting, multi-position tandem cylinder that provides four distinct rod positions: 0 mm (fully retracted), 25 mm, 75 mm, and 100 mm total travel. Each piston section delivers 402 N of push force at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks where multiple stop points are needed without complex controls.
This model features a built-in magnet for direct mounting of CMSG/DMSG sensors and is fitted with an LB-style axial foot mount for stable surface installation. The 12 mm diameter rod and PT1/8 ports keep the footprint small, while the 21 mm air cushion at each end provides smooth deceleration across all position moves.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X75SLB Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X75SLB |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 25 / 75 mm |
| Total travel | 100 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) | 75 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 (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 SCT32X25X75SLB
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×25 | Stroke 1 (section 1) in mm. |
| ×75 | 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 SCT32X25X75SLB Is Used
Multi-Stop Sorting Gate
Directs packages to four different chutes using the 0, 25, 75, and 100 mm rod positions for precise, repeatable diverting.
Two-Depth Labeling Press
Applies labels at two different heights on a product, using the 25 mm and 75 mm stops for consistent placement accuracy.
Staged Part Feeding
Advances components in three increments along a track, with the sensor confirming each 25 mm, 75 mm, and 100 mm position before the next cycle.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X25X75SLB the Right Cylinder?
Choose the SCT32X25X75SLB when your application requires four fixed stopping points from a single compact cylinder, eliminating the need for two separate actuators and their associated valving. If higher force is needed, stepping up to the 40 mm bore provides 628 N of push per section at the same 0.5 MPa pressure. For replacement, ensure the new unit matches the 32 mm bore, 25 mm and 75 mm strokes, PT thread, LB foot mounting, and integrated magnet.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 25 + 75 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 SCT32X25X75SLB FAQ
This tandem cylinder provides four discrete rod positions: 0 mm (fully retracted), 25 mm, 75 mm, and 100 mm (full extension). The stops are fixed by the two piston sections and cannot be infinitely adjusted.
Match the 32 mm bore, 25 mm and 75 mm strokes, PT port thread, LB foot mounting, and the -S magnet option. The sensor type can be updated, but the cylinder's mechanical and magnetic features must be identical for a drop-in replacement.
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