Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X10S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 40mm and 10mm give 4 controllable stop positions across a 50mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 140 mm
- Stroke 210 mm
- Total travel50 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X10S
The SCT32X40X10S creates four fixed rod positions by combining a 40 mm stroke in the first section with a 10 mm stroke in the second. This tandem layout delivers a total travel of 50 mm, giving machine builders a compact way to handle two different extend-and-retract sequences from a single tie-rod body. Each piston section generates 402 N of push force at 0.5 MPa, with a 12 mm diameter rod.
The built-in magnet allows direct mounting of CMSG, DMSG, or EMSG sensors on the barrel for reliable end-of-stroke or mid-position detection. With a body length of 233 mm and a 21 mm air cushion at each end, this genuine AirTAC unit simplifies multi-stop pneumatic circuits without extra cylinders or external hard stops.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X10S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 40 / 10 mm |
| Total travel | 50 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) | 40 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 50 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 SCT32X40X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×40 | 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 SCT32X40X10S Is Used
Two-Stage Part Diverting
Uses the 10 mm and 40 mm stops to route small components to separate chutes on a conveyor line.
Dual-Depth Pressing
Applies a light 10 mm pre-press followed by a full 40 mm seating stroke for delicate assembly tasks.
Short-Stroke Sorting Gate
Operates a two-position gate with a compact 50 mm total envelope, ideal for tight machinery spaces.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X40X10S the Right Cylinder?
Choosing the SCT32X40X10S over two separate cylinders eliminates the need for complex bracketry and flow controls to synchronize motion. The discrete 4-position sequence is fixed by the bore geometry, ensuring repeatable stops at 0, 10, 40, and 50 mm. If higher thrust is needed, stepping up to the 40 mm bore provides 628 N of push force per section at the same 0.5 MPa operating pressure. For replacement, match the 32 mm bore, both the 40 mm and 10 mm stroke lengths, PT port thread, and the integrated magnet option.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 40 + 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 SCT32X40X10S FAQ
It provides four distinct rod positions: 0 mm (fully retracted), 40 mm (first section extended), 10 mm (second section extended), and 50 mm (both sections extended).
Yes, it is a direct tandem replacement where two different strokes are needed in line. Ensure the replacement matches the 32 mm bore, 40 mm and 10 mm strokes, PT ports, and the -S magnet option.
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Related AirTAC SCT Multi-Position Cylinders
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