Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X100X10S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X100X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 10mm give 4 controllable stop positions across a 110mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 1100 mm
- Stroke 210 mm
- Total travel110 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X100X10S
The SCT40X100X10S is a double-acting multi-position tandem cylinder that provides four fixed rod positions: 0 mm (fully retracted), 10 mm, 100 mm, and the total travel of 110 mm. This discrete stop capability is achieved by pressurizing either of the two piston sections independently or both together, making it ideal for sequencing tasks without complex controls. Each 40 mm bore section delivers 628 N of push force at 0.5 MPa, operating on a 16 mm diameter rod with a PT1/4 port.
Built with a 21 mm adjustable air cushion at each end, the cylinder decelerates loads smoothly across its 30-800 mm/s speed range. The integrated magnet (denoted by the -S suffix) allows direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for precise, non-contact position feedback. The body length A is 235 mm, and the unit is rated for a maximum operating pressure of 1.0 MPa with TPU seals suitable for -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X100X10S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X100X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 100 / 10 mm |
| Total travel | 110 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) | 100 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 110 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 SCT40X100X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×10 | 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 SCT40X100X10S Is Used
Two-Stage Part Ejection
Use the 10 mm stroke to break a part free from a mold or fixture with a short, high-impact tap, then complete the full 100 mm ejection stroke to clear the part onto a conveyor.
Adhesive Dispensing with Z-Offset
Advance the dispense head 100 mm to the work surface, then use the precise 10 mm stroke for a controlled final standoff distance, ensuring consistent bead height without re-homing the main axis.
Dual-Depth Sorting Gate
Actuate a diverter gate to a 10 mm partial-open position for small components, or extend to the full 110 mm position to direct large parts down a separate chute, all controlled by the two input signals.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X100X10S the Right Cylinder?
Select the SCT40X100X10S when an application requires a short 10 mm advance for a preliminary operation and a longer 100 mm stroke for the main feed, all from a single compact actuator. This tandem design replaces the need for two separate cylinders and their associated mounting hardware and valve banks, simplifying the pneumatic circuit and reducing the machine footprint. For higher force requirements, stepping up to a 50 mm bore provides 982 N of push force per section at the same 0.5 MPa pressure.
When replacing an existing unit, match the 40 mm bore, both the 100 mm and 10 mm strokes, the PT port thread, and the integrated magnet. This is a basic mount model, so confirm that your current setup uses the cylinder body for direct mounting without additional brackets. For strokes over 300 mm, consider external guides to protect the 16 mm rod from side loads.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 10 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 SCT40X100X10S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 10 mm (first section extended), 100 mm (second section extended), and 110 mm (both sections extended for full travel). The positions are fixed by the two stroke lengths and are selected by pressurizing the appropriate air ports.
Yes, it is designed to do exactly that. It combines a 100 mm and a 10 mm stroke into one tie-rod body, saving space and eliminating the need for dual mounting brackets and flow controls. Ensure the replacement matches the 40 mm bore, both stroke lengths, the PT1/4 port thread, and the integrated magnet for sensor compatibility.
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