Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X40S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X40S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 10mm and 40mm give 4 controllable stop positions across a 50mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 110 mm
- Stroke 240 mm
- Total travel50 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X40S
The SCT50X10X40S is a double-acting multi-position cylinder that provides four fixed rod stops: fully retracted (0 mm), 10 mm, 40 mm, and the full combined travel of 50 mm. Each 50 mm bore section delivers 982 N of push force at 0.5 MPa, making it suitable for light sorting or diverting tasks where two intermediate positions are needed without complex servo controls.
A built-in magnet is integrated into the piston, allowing CMSG, DMSG, or EMSG solid-state or reed sensors to be clamped directly onto the tie-rod barrel for reliable end-of-stroke or intermediate position sensing. The cylinder uses a 20 mm diameter piston rod with M16x1.5 threads, PT1/4 ports, and an adjustable air cushion length of 21 mm to manage end-of-travel deceleration.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X40S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X40S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 10 / 40 mm |
| Total travel | 50 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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) | 10 mm |
| P2 (section 2) | 40 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 SCT50X10X40S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×10 | 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 SCT50X10X40S Is Used
Two-Stage Diverter Gate
Actuate a product gate to three distinct positions: closed (0 mm), partial divert to lane A (10 mm stroke), and full divert to lane B (40 mm stroke), using the magnet for position confirmation at each stop.
Multi-Depth Pressing
Perform a light pre-press at the 10 mm position and a final form press at the 40 mm position, with the total 50 mm travel used for part ejection, all controlled by a single tandem cylinder.
Staggered Part Feeding
Advance components in two controlled steps: a short 10 mm push to separate a part from a stack, followed by a longer 40 mm stroke to deliver it into a nest, with sensor feedback at each stage.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X40S the Right Cylinder?
Choose the SCT tandem cylinder when an application requires up to four discrete mechanical stops from a single compact unit, eliminating the need to align two separate cylinders or external hard stops. The 50 mm bore provides 982 N of push force per actuated section at 0.5 MPa; if higher force is needed, stepping up to the 63 mm bore yields 1559 N push under the same pressure. For a direct replacement, match the 50 mm bore, both 10 mm and 40 mm strokes, PT port thread, basic mounting, and the -S magnet option to retain sensor compatibility.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 10 + 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 SCT50X10X40S FAQ
It provides four distinct mechanical stops: 0 mm (fully retracted), 10 mm (section one extended), 40 mm (section two extended), and 50 mm (both sections extended for total travel). These are fixed by the two stroke lengths and are not infinitely variable.
The force is generated per single piston section. At 0.5 MPa, one section provides 982 N pushing and 825 N pulling. The two sections do not combine force to double the output; each section independently delivers the rated force when pressurized.
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