Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X300S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X300S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 300mm give 4 controllable stop positions across a 400mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1100 mm
- Stroke 2300 mm
- Total travel400 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X300S
The SCT32X100X300S is a double-acting multi-position tandem cylinder that provides four fixed rod positions: 0 mm (fully retracted), 100 mm, 300 mm, and 400 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. The built-in magnet allows direct mounting of CMSG/DMSG/EMSG sensors for position feedback.
This 32 mm bore unit features a 12 mm diameter rod and M10x1.25 rod thread, with PT1/8 ports. The adjustable air cushion at each end (21 mm length) decelerates the load smoothly across the 30-800 mm/s speed range. With a body length of 233 mm plus strokes, it fits neatly into space-constrained multi-stop mechanisms.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X300S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X300S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 100 / 300 mm |
| Total travel | 400 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) | 100 mm |
| P2 (section 2) | 300 mm |
| P3 (both extended) | 400 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 SCT32X100X300S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×300 | 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 SCT32X100X300S Is Used
Two-Way Part Diverting
Actuate one section to extend 100 mm to a first divert lane, or both sections to reach the full 400 mm for a second lane, directing parts from a single infeed conveyor.
Multi-Depth Pressing
Use the 100 mm and 300 mm stops for two distinct pressing depths in an assembly fixture, with the 400 mm position serving as a safe retracted home for part loading.
Staged Part Transfer
Pick a component at 0 mm, advance it 300 mm to an inspection station, then extend the final 100 mm to place it on an outfeed nest, all with sensor-confirmed positions via the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X300S the Right Cylinder?
Choose the SCT when your application requires two or more fixed stopping points from a single pneumatic circuit, eliminating the cost and complexity of two separate cylinders with external hard stops. For this 32 mm bore, the per-section push force is 402 N at 0.5 MPa. If you need more thrust, stepping up to the 40 mm bore provides 628 N per section at the same pressure. A direct replacement must match the 32 mm bore, both 100 mm and 300 mm strokes, PT port thread, and the -S magnet option. With a 300 mm section stroke, ensure the rod is adequately guided if significant side loads are present to prevent bending of the 12 mm rod.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 300 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 SCT32X100X300S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 100 mm (first section extended), 300 mm (second section extended), and 400 mm (both sections extended). The positions are fixed by the two piston strokes and are not infinitely adjustable.
The SCT32X100X300S integrates two strokes on a common rod line, guaranteeing fixed, repeatable stop positions without the need for external brackets, alignment, or sequencing valves required by two independent cylinders. It simplifies the circuit and saves installation space.
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