Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X150X50S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X150X50S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 50mm give 4 controllable stop positions across a 200mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 1150 mm
- Stroke 250 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X150X50S
The SCT40X150X50S is a double-acting tandem cylinder that delivers four fixed rod positions—0 mm, 50 mm, 150 mm, and the combined 200 mm total travel—by pressurising its two piston sections independently. Each section generates 628 N of push force at 0.5 MPa, with a 16 mm diameter rod and PT1/4 ports for reliable pneumatic connection.
A built-in magnet (-S suffix) allows direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position feedback at every stop. The cylinder body length A(SCT) is 235 mm, and the adjustable air cushion at each end decelerates the load smoothly across the 30-800 mm/s speed range.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X150X50S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X150X50S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 150 / 50 mm |
| Total travel | 200 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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) | 150 mm |
| P2 (section 2) | 50 mm |
| P3 (both extended) | 200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 SCT40X150X50S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×150 | 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 SCT40X150X50S Is Used
Two-Stage Sorting Gate
Use the 50 mm and 150 mm stops to divert packages to two separate lanes from a single conveyor, with the 200 mm position serving as a third bypass route.
Multi-Depth Pressing
Achieve a partial press depth at 50 mm for pre-forming and a full depth at 150 mm for final compression, eliminating the need for a second press station.
Dual-Stop Part Feeding
Advance a part to a 50 mm inspection point, then extend to 150 mm for assembly pick-off, with the magnet confirming arrival at each discrete position.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X150X50S the Right Cylinder?
Choose the SCT when your application needs up to four distinct mechanical stops without the complexity of two separate cylinders and external hard stops. For higher thrust, the 50 mm bore SCT50 series provides 982 N push per section at the same 0.5 MPa pressure. A direct replacement must match the 40 mm bore, both 150 mm and 50 mm section strokes, the PT port thread, and the integrated magnet. Since the first stroke is 150 mm, ensure the rod is adequately guided if the load applies a significant side force.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 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 SCT40X150X50S FAQ
It provides four distinct rod positions: fully retracted (0 mm), the first section extended (50 mm), the second section extended (150 mm), and both sections extended for the full 200 mm stroke.
Yes, if your sequence requires the 50 mm and 150 mm strokes in a single rod line. The SCT integrates both movements into one compact body, but you must ensure the replacement matches the PT thread and the -S magnet option for sensor compatibility.
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