Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X40S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X40S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 40mm give 4 controllable stop positions across a 140mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1100 mm
- Stroke 240 mm
- Total travel140 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X40S
The SCT32X100X40 is a tandem multi-position cylinder that provides four fixed rod positions: fully retracted (0 mm), 40 mm, 100 mm, and the combined 140 mm total travel. Each 32 mm bore section delivers 402 N of push force at 0.5 MPa (724 N at 0.9 MPa), making it a compact solution for light sorting or diverting tasks that need more than two end points.
A built-in magnet (suffix -S) is integrated into the piston, allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for non-contact position sensing. The cylinder uses a 12 mm diameter rod, PT1/8 ports, and an M10x1.25 rod thread, with a 21 mm adjustable air cushion in each section to manage end-of-stroke impact.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X40S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X40S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 100 / 40 mm |
| Total travel | 140 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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) | 40 mm |
| P3 (both extended) | 140 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 SCT32X100X40S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×40 | 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 SCT32X100X40S Is Used
Two-Stage Part Diverting
Use the 40 mm and 100 mm stops to route small components to three separate conveyor lanes from a single feed point.
Multi-Depth Pressing
Achieve two distinct pressing depths (40 mm and 100 mm) in a light assembly fixture, with full retraction at 0 mm and a 140 mm clearance position.
Sequential Gate Control
Operate a two-leaf gate where the first leaf opens at 40 mm and the second at 100 mm, controlling material flow in a packaging chute.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X40S the Right Cylinder?
Choose the SCT when your application requires three or four distinct mechanical stops without the complexity of servo control. For this 32 mm bore, each section pushes with 402 N at 0.5 MPa; if you need more force, stepping up to the 40 mm bore (628 N push at 0.5 MPa) provides a 56% increase. The SCT32X100X40 replaces another AirTAC SCT of identical 32 mm bore, 100 mm and 40 mm strokes, PT port thread, basic mounting, and the -S magnet option.
Because the first stroke extends to 100 mm, ensure the rod is adequately guided if side loads are present, especially when the cylinder is fully extended to the 140 mm total position. For loads that must be held at any intermediate stop without air pressure, an external rod lock or pilot-operated check valve is required.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 40 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 SCT32X100X40S FAQ
It provides four discrete rod positions: 0 mm (fully retracted), 40 mm (stroke 2 only), 100 mm (stroke 1 only), and 140 mm (both strokes extended). The positions are fixed by the two section strokes and are not infinitely adjustable.
Yes, in applications needing three or four fixed stops. The SCT32X100X40 combines two strokes on one common rod, saving space and eliminating the need to synchronize two separate cylinders. It directly replaces another AirTAC SCT with the same 32 mm bore, 100 mm and 40 mm strokes, PT ports, and -S magnet.
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