Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X50
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X50 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 50mm give 4 controllable stop positions across a 150mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1100 mm
- Stroke 250 mm
- Total travel150 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X50
The SCT63X100X50 tandem cylinder delivers four fixed rod positions: fully retracted (0 mm), 50 mm, 100 mm, and the total extended travel of 150 mm. Each 63 mm bore section generates 1559 N of push force at 0.5 MPa, making it suitable for diverting or sorting tasks that require two distinct intermediate stops without external hard stops.
Built on a rugged tie-rod design with a 20 mm diameter piston rod and PT1/4 ports, this cylinder includes a 28 mm adjustable air cushion in each section for controlled end-of-stroke deceleration. The body length A(SCT) measures 249 mm, providing a compact footprint for multi-step linear actuation.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X50 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X50 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 100 / 50 mm |
| Total travel | 150 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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, 28 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) | 50 mm |
| P3 (both extended) | 150 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 SCT63X100X50
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×50 | 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 SCT63X100X50 Is Used
Two-Way Diverter Gate
Actuate a flap gate to three distinct positions for routing packages on a conveyor. The 50 mm stroke moves the gate to a first divert lane, while the 100 mm stroke sends product to a second lane.
Multi-Depth Pressing
Control a press platen to two different insertion depths. The 50 mm stroke sets a shallow pre-press position, and the 100 mm stroke completes the full-depth forming cycle, all from one compact actuator.
Staged Part Feeding
Advance a workpiece through three stations on an assembly fixture. The cylinder stops at 50 mm for adhesive dispensing, 100 mm for component placement, and 150 mm for final inspection.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X50 the Right Cylinder?
Select the SCT when your application needs two separate, repeatable intermediate positions along a single linear axis, eliminating the complexity of aligning two independent cylinders. If higher force is needed, stepping up to the 80 mm bore provides 2513 N of push per section at the same 0.5 MPa pressure.
For a direct replacement, match the 63 mm bore, the specific 100 mm and 50 mm section strokes, PT port thread, and basic mounting configuration. The SCT's tie-rod construction is not interchangeable with ISO 15552 profiles, so only an identical AirTAC SCT model will ensure correct mounting dimensions and cushion performance.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 50 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 SCT63X100X50 FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 50 mm (section 2 extended), 100 mm (section 1 extended), and 150 mm (both sections extended). The positions are fixed by the two internal piston strokes and are not infinitely adjustable.
The SCT integrates two piston sections into a single tie-rod body, guaranteeing coaxial alignment and reducing overall length compared to mounting two separate cylinders back-to-back. It simplifies plumbing and eliminates the need to synchronize two independent actuators for multi-stop positioning.
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