Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X50S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X50S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 160mm and 50mm give 4 controllable stop positions across a 210mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 1160 mm
- Stroke 250 mm
- Total travel210 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X50S
The AirTAC SCT50X160X50S is a 50 mm bore multi-position tandem cylinder delivering four distinct rod positions: fully retracted, 50 mm, 160 mm, and the combined total travel of 210 mm. Each piston section provides a push force of 982 N at 0.5 MPa, extending to 1767 N at the maximum operating pressure of 0.9 MPa, driven through a 20 mm diameter piston rod.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for contactless position feedback. The cylinder body has a length of 243 mm and uses an adjustable pneumatic cushion of 21 mm on each section to manage end-of-stroke deceleration, with PT1/4 ports for standard pneumatic connections.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X50S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X50S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 160 / 50 mm |
| Total travel | 210 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, 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) | 160 mm |
| P2 (section 2) | 50 mm |
| P3 (both extended) | 210 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 SCT50X160X50S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×160 | 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 SCT50X160X50S Is Used
Two-Stage Part Diverting
Uses the 50 mm and 160 mm stops to guide parts into three separate conveyor lanes, with the full 210 mm extension acting as a reject or fourth lane position.
Multi-Depth Press Operations
Provides two controlled pressing depths at 50 mm and 160 mm within a single cycle, ideal for sequential forming or insertion tasks where a full retract between steps is not required.
Sequential Gate Control
Operates a sliding gate with a partially open position at 50 mm for small product metering and a fully open position at 160 mm for bulk flow, with the 210 mm position used for a maintenance lockout state.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X50S the Right Cylinder?
Select the SCT50X160X50S when your application requires four fixed stopping points without the complexity of servo control or multiple actuators. This tandem unit is more compact and cost-effective than installing two separate 50 mm bore cylinders with external hard stops to achieve 50 mm and 160 mm positions. If your load requires slightly less force, stepping down to a 40 mm bore provides 628 N of push per section at 0.5 MPa.
For direct replacement, match the 50 mm bore, the exact strokes of 160 mm and 50 mm, PT port thread, basic mounting, and the -S magnet option. As the longer 160 mm stroke section extends, ensure the rod is adequately guided if side loads are present to prevent bending and premature seal wear.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 160 + 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 SCT50X160X50S FAQ
This 4-position cylinder provides discrete mechanical stops at 0 mm (fully retracted), 50 mm (second section extended), 160 mm (first section extended), and 210 mm (both sections extended). These are fixed positions, not infinitely variable.
Yes, it is designed to replace setups that use two separate cylinders for two different strokes. To be a direct functional replacement, the alternative setup must match the 50 mm bore, achieve the 50 mm and 160 mm stroke lengths, use PT ports, and require a magnetic piston for sensing. The SCT achieves this on a single common rod line.
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