Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X40
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X40 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 80mm and 40mm give 4 controllable stop positions across a 120mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 180 mm
- Stroke 240 mm
- Total travel120 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X40
The SCT32X80X40 tandem cylinder delivers four distinct rod positions—0 mm, 40 mm, 80 mm, and 120 mm total travel—from two independently controlled 80 mm and 40 mm piston sections. Each section generates 402 N of push force at 0.5 MPa (563 N at 0.7 MPa), making it a precise multi-stop actuator for compact 32 mm bore applications.
Built on a tie-rod body with a 12 mm diameter rod and M10x1.25 rod thread, this cylinder uses PT1/8 ports and features a 21 mm adjustable air cushion on each end. The total body length A(SCT) is 233 mm, providing a rigid, repeatable platform for sorting or diverting tasks where space is limited but multiple positions are essential.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X40 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X40 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 80 / 40 mm |
| Total travel | 120 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) | 80 mm |
| P2 (section 2) | 40 mm |
| P3 (both extended) | 120 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 SCT32X80X40
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×80 | 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 SCT32X80X40 Is Used
Two-Lane Diverter Gate
Uses the four discrete positions to direct small packages into two separate conveyor lanes, with the 40 mm stroke handling the first lane shift and the 80 mm stroke completing the full diversion.
Multi-Depth Labeling
Applies labels at two different heights on a product. The 40 mm stroke positions the head for one surface, and the 80 mm stroke reaches a second, deeper surface, all from a single compact actuator.
Staged Part Ejection
Ejects parts from a fixture in two steps. A short 40 mm push breaks the part free, and the full 80 mm extension clears it completely, preventing damage from a single high-speed ejection.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X80X40 the Right Cylinder?
Choose the SCT32X80X40 when a single actuator must reach four fixed stops without the complexity of two separate cylinders and external hard stops. If higher force is needed, stepping up to the 40 mm bore SCT40X80X40 delivers 628 N of push per section at 0.5 MPa. For replacement, match the 32 mm bore, both strokes (80 mm and 40 mm), PT port thread, and basic mounting configuration exactly. Since the longest section stroke is under 300 mm, rod bending under side load is typically not a primary concern in this configuration.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 80 + 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 SCT32X80X40 FAQ
It provides four distinct mechanical stop positions: 0 mm (fully retracted), 40 mm (section two extended), 80 mm (section one extended), and 120 mm (both sections extended, total travel).
At 0.5 MPa, each actuated piston section produces 402 N of push force and 345 N of pull force. The push force increases to 724 N per section at the maximum operating pressure of 0.9 MPa.
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Standard models usually ship in 3-4 days.
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