Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X180X180
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X180X180 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 180mm and 180mm give 3 controllable stop positions across a 360mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 1180 mm
- Stroke 2180 mm
- Total travel360 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X180X180
The SCT50X180X180 is a tandem multi-position pneumatic cylinder providing three fixed rod positions: fully retracted (0 mm), mid-stop at 180 mm, and fully extended at 360 mm. Each 50 mm bore piston section generates 982 N of push force at 0.5 MPa, making it suitable for repetitive two-stage clamping or sorting tasks where intermediate positioning is required without external stops.
Built on a durable tie-rod construction with a 20 mm diameter rod and M16x1.5 rod thread, this cylinder features a 21 mm adjustable air cushion on both sections for smooth deceleration. The body length A(SCT) is 243 mm plus strokes, and the PT1/4 ports ensure compatibility with standard pneumatic fittings. Operating pressure ranges from 0.15 to 1.0 MPa.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X180X180 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X180X180 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 180 / 180 mm |
| Total travel | 360 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, 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 180 mm |
| P2 (both extended) | 360 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 SCT50X180X180
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×180 | Stroke 1 (section 1) in mm. |
| ×180 | 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 SCT50X180X180 Is Used
Two-Stage Sorting Gate
Operates a diverter gate with a closed, partial-open, and full-open position to route packages of different heights onto separate conveyor lines.
Dual-Depth Pressing
Provides a retract, intermediate, and full-extend stroke for a press tool that installs two different components to distinct depths in one cycle.
Multi-Stop Linear Transfer
Shifts a workpiece pallet between three stations on a transfer line, stopping precisely at a load, inspection, and unload position.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X180X180 the Right Cylinder?
Choose the SCT when your application needs two distinct extended positions from a single compact assembly, eliminating the complexity of aligning two separate cylinders. For higher force requirements, consider stepping up to the 63 mm bore SCT, which provides 1559 N of push per section at 0.5 MPa. A direct replacement must match the 50 mm bore, both 180 mm section strokes, PT port thread, and basic mounting configuration.
With a combined travel of 360 mm, ensure the load is guided if there is any off-center weight to prevent rod bending. The cylinder itself does not lock at the intermediate 180 mm position when pressure is removed; if position holding is critical, an external pilot-operated check valve or rod lock must be integrated into the circuit.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 180 + 180 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 SCT50X180X180 FAQ
This model provides 3 discrete stop positions because the two section strokes are equal. The rod can be positioned at 0 mm (fully retracted), 180 mm (first section extended), and 360 mm (both sections extended for total travel).
No, the SCT cylinder relies on active air pressure to maintain its position. If pressure is lost or the valve centers, the piston will drift. To securely hold a load at the 180 mm stop without pressure, you must add an external mechanical rod brake or a pilot-operated check valve to lock the cylinder.
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