Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X30S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X30S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 30mm give 4 controllable stop positions across a 80mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 150 mm
- Stroke 230 mm
- Total travel80 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X30S
The SCT40X50X30S is a tandem multi-position cylinder that provides four distinct, repeatable rod-end stop locations: 0 mm (fully retracted), 30 mm, 50 mm, and the combined 80 mm total travel. Each 40 mm bore piston section generates a push force of 628 N at a standard 0.5 MPa supply pressure, making it suitable for diverting or sorting tasks where a part must be presented at two different intermediate heights.
This model includes a built-in magnet, allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for non-contact position confirmation at each stop. The 16 mm diameter piston rod and PT1/4 ports handle flow efficiently, while the 21 mm adjustable air cushion at each end section decelerates the load smoothly. The body length A(SCT) is 235 mm.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X30S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X30S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 50 / 30 mm |
| Total travel | 80 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) | 50 mm |
| P2 (section 2) | 30 mm |
| P3 (both extended) | 80 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 SCT40X50X30S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×30 | 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 SCT40X50X30S Is Used
Two-Way Sorting Gate
Directs packages to one of two lanes by stopping at the 30 mm or 50 mm stroke positions, with full retraction for a third lane and full extension for a reject chute.
Multi-Depth Labeling
Applies labels at two distinct product heights on a conveyor line. The 30 mm and 50 mm stops allow the tamp pad to reach different product surfaces without tooling changes.
Staged Part Clamping
Provides a light pre-clamp at the 30 mm stop for alignment, followed by full clamping force at the 50 mm position, all controlled by pressurizing the cylinder's two sections.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X30S the Right Cylinder?
Select the SCT40X50X30S when your application requires a compact, all-in-one actuator to reach four fixed positions without the complexity of two separate cylinders and external hard stops. If the 628 N push force per section is insufficient, stepping up to the 50 mm bore SCT50 series provides 982 N of push at the same 0.5 MPa pressure. For replacement, ensure the new unit matches the 40 mm bore, the exact 50 mm and 30 mm strokes, the PT port thread, and the integrated magnet (-S suffix).
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 30 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 SCT40X50X30S FAQ
It provides four discrete mechanical stops. The rod end can be positioned at 0 mm (retracted), 30 mm, 50 mm, and the total combined travel of 80 mm by pressurizing the sections individually or together.
Yes, it is a direct functional replacement for two independent cylinders used to achieve two intermediate stops, provided the strokes match 50 mm and 30 mm. The integrated design saves space and simplifies pneumatic plumbing, but the per-section force of 628 N push remains the same as a single SC40.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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