Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X220X100
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X220X100 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 220mm and 100mm give 4 controllable stop positions across a 320mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1220 mm
- Stroke 2100 mm
- Total travel320 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X220X100
The SCT32X220X100 is a double-acting multi-position cylinder that delivers four discrete rod positions from a single compact assembly: 0 mm (fully retracted), 220 mm, 100 mm, and 320 mm (total travel). Each of the two 32 mm bore sections generates 402 N of push force and 345 N of pull force at 0.5 MPa, making it suitable for light-duty sorting or diverting tasks where multiple fixed stops are required.
Built on a tie-rod design with a 12 mm diameter piston rod and M10x1.25 rod-end thread, this cylinder includes an adjustable air cushion (21 mm length) at each end for smooth deceleration. The PT1/8 port supplies the tandem chambers, and the body length A(SCT) measures 233 mm plus the combined stroke, giving a total envelope that replaces two separate cylinders and external stops in a single, simpler package.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X220X100 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X220X100 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 220 / 100 mm |
| Total travel | 320 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) | 220 mm |
| P2 (section 2) | 100 mm |
| P3 (both extended) | 320 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 SCT32X220X100
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×220 | Stroke 1 (section 1) in mm. |
| ×100 | 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 SCT32X220X100 Is Used
Two-Way Part Diverting
Uses the 100 mm and 320 mm positions to direct parts down two separate chutes from a single conveyor lane, simplifying pneumatic sorting stations.
Multi-Depth Pressing
Provides two distinct pressing depths at 220 mm and 320 mm for assembly operations requiring a pre-press and final-press stage with one actuator.
Staged Material Feeding
Advances material in two controlled steps—first a 220 mm stroke, then an additional 100 mm—for accurate indexing in packaging or cutting machinery.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X220X100 the Right Cylinder?
Choose the SCT32X220X100 when your application needs four distinct mechanical stops without the complexity of two individual cylinders and external hard stops. The 220 mm and 100 mm strokes provide asymmetric positioning ideal for two-step feeding or multi-depth pressing. 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, match the 32 mm bore, both strokes (220 mm and 100 mm), PT port thread, and basic mounting configuration. If your existing unit has a magnet for sensors, ensure the replacement code includes the -S suffix. Note that with a 220 mm section stroke, consider external guides if the rod is subjected to significant side loads to prevent bending and ensure long seal life.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 220 + 100 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 SCT32X220X100 FAQ
It provides four discrete positions: 0 mm (fully retracted), 220 mm (first section extended), 100 mm (second section extended), and 320 mm (both sections extended). The positions are fixed by the two stroke lengths and are selected by pressurising the cylinder sections individually or together.
No, like all standard pneumatic cylinders, the SCT32X220X100 will drift or drop if air pressure is lost or a valve is centred. The multi-position feature provides discrete stops under live pressure only. If a load must be held without pressure, you need an external mechanical lock, rod brake, or pilot-operated check valve.
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