Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X50X5S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X50X5S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 5mm give 4 controllable stop positions across a 55mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 150 mm
- Stroke 25 mm
- Total travel55 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X50X5S
The SCT50X50X5S is a tandem multi-position cylinder that provides four fixed rod positions by combining two piston sections with 50 mm and 5 mm strokes. The reachable stops are 0 mm (fully retracted), 50 mm, 5 mm, and 55 mm (total travel). This configuration is ideal for applications requiring a main transfer movement and a fine, short secondary positioning or ejection stroke.
Each 50 mm bore section delivers 982 N of push force at 0.5 MPa, with a 20 mm diameter piston rod and M16x1.5 rod thread. The cylinder body length A(SCT) is 243 mm and features an adjustable air cushion of 21 mm. A built-in magnet is included, allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for end-of-stroke or intermediate position sensing.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X50X5S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X50X5S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 50 / 5 mm |
| Total travel | 55 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) | 50 mm |
| P2 (section 2) | 5 mm |
| P3 (both extended) | 55 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 SCT50X50X5S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×5 | 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 SCT50X50X5S Is Used
Two-Stage Part Ejection
Uses the 50 mm stroke to advance an ejector plate and the 5 mm stroke for a final, high-precision push to separate delicate parts from a mold or nest without impact damage.
Sorting Gate with Fine Adjustment
The 50 mm stroke diverts a product flow, while the 5 mm stroke provides a micro-adjustable blade position to handle varying product thicknesses on a conveyor line.
Dual-Depth Pressing
Performs a main 50 mm pressing operation and a secondary 5 mm coining or calibration step, achieving two distinct forming depths with a single compact actuator.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X50X5S the Right Cylinder?
Select the SCT50X50X5S when your process needs a primary 50 mm stroke and a distinct 5 mm micro-stroke from a single rod line, eliminating the complexity of two separate cylinders and their mounting hardware. If your force requirement is lower, consider stepping down to the 40 mm bore, which provides 628 N of push per section at 0.5 MPa. For direct replacement, match the 50 mm bore, both 50 mm and 5 mm strokes, PT port thread, and the integrated magnet (-S suffix).
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 5 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 SCT50X50X5S FAQ
This tandem cylinder provides four discrete rod positions: 0 mm (fully retracted), 50 mm (first section extended), 5 mm (second section extended), and 55 mm (both sections extended for total travel).
The SCT integrates both strokes on a single common rod line, which saves space, reduces mounting brackets, and ensures the two movements are perfectly coaxial. It also simplifies pneumatic control to achieve the four fixed stop positions.
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