Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X150
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X150 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 150mm give 3 controllable stop positions across a 300mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1150 mm
- Stroke 2150 mm
- Total travel300 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X150
The SCT63X150X150 is a tandem multi-position cylinder that provides three fixed rod positions: fully retracted (0 mm), mid-stroke (150 mm), and fully extended (300 mm). Each 63 mm bore section delivers 1559 N of push force at 0.5 MPa, making it suitable for sorting or diverting tasks where a central stop is required.
Built on a rugged tie-rod design with a 20 mm diameter rod and M16x1.5 rod thread, this cylinder uses PT1/4 ports and features an adjustable air cushion of 28 mm for smooth end-of-stroke deceleration. The body length A(SCT) is 249 mm, providing a compact tandem footprint for its 300 mm total travel.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X150 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X150 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 150 / 150 mm |
| Total travel | 300 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 150 mm |
| P2 (both extended) | 300 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 SCT63X150X150
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×150 | 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 SCT63X150X150 Is Used
3-Position Diverter Gate
Operates a conveyor diverter with a central pass-through position (150 mm) and two fully extended or retracted sort lanes, simplifying pneumatic control for three-way routing.
Two-Depth Pressing Station
Provides a partial-engagement stop at 150 mm for pre-forming and a full-depth stop at 300 mm for final pressing, all from a single compact tandem cylinder.
Multi-Stop Part Transfer
Moves a workpiece through three distinct positions on a linear slide: pick (0 mm), inspection (150 mm), and place (300 mm), eliminating the need for a servo axis.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X150 the Right Cylinder?
Select the SCT63X150X150 when your application requires a precise mid-position stop without the complexity of two separate cylinders and external hard stops. If you need higher force, stepping up to the 80 mm bore provides 2513 N of push per section at the same pressure. For a lower force profile, the 50 mm bore offers 982 N.
For replacement, match the 63 mm bore, both 150 mm section strokes, PT port thread, and basic mounting style. If your current unit includes a magnet for sensor feedback, ensure the replacement code carries the -S suffix.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 150 + 150 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 SCT63X150X150 FAQ
This model provides 3 distinct mechanical stop positions because both section strokes are equal at 150 mm. The rod stops at 0 mm (retracted), 150 mm (mid-stroke), and 300 mm (fully extended).
Yes, it can often replace two single-rod cylinders in push-pull or two-stop applications. Ensure the replacement matches the 63 mm bore, 150 mm stroke per section, PT1/4 ports, and basic mounting. The tandem design provides fixed stops without external brackets.
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