Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X60S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X60S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 60mm give 3 controllable stop positions across a 120mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 160 mm
- Stroke 260 mm
- Total travel120 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X60S
The SCT40X60X60S is a double-acting multi-position cylinder that provides three fixed rod positions: fully retracted (0 mm), mid-stop (60 mm), and fully extended (120 mm). Each piston section generates 628 N of push force at 0.5 MPa, making it suitable for sorting or diverting tasks requiring repeatable intermediate stops without complex controls.
This model includes a built-in magnet, allowing CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for non-contact position sensing. The 40 mm bore uses a 16 mm diameter piston rod and M12x1.25 rod thread, with PT1/4 ports and a 21 mm adjustable air cushion at each end to decelerate the load smoothly.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X60S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X60S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 60 / 60 mm |
| Total travel | 120 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 60 mm |
| P2 (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 (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 SCT40X60X60S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT40X60X60S Is Used
3-Position Diverter Gate
The three distinct stops (0, 60, 120 mm) allow a single chute or gate to route packages to three separate lanes, simplifying conveyor line design.
Multi-Stop Part Feeding
Precisely advances components to two different insertion depths in an assembly fixture, using the 60 mm and 120 mm extended positions for staged placement.
Two-Level Clamping
Applies a light clamp at the 60 mm mid-position for alignment, then full clamping force at 120 mm total travel, all from one cylinder controlled by two valves.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X60S the Right Cylinder?
Choose the SCT40X60X60S when your application needs three precise mechanical stops from a single compact actuator, avoiding the cost and plumbing of two separate cylinders with external stops. If higher force is required, stepping up to the 50 mm bore SCT50X60X60S provides 982 N of push per section at the same 0.5 MPa pressure.
For a direct replacement, match the 40 mm bore, both 60 mm section strokes, PT port thread, and the -S magnet option. The basic mounting configuration accepts standard SCT foot (LB) or flange (FA/FB) accessories if mounting needs change later.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 60 + 60 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 SCT40X60X60S FAQ
This tandem cylinder provides three distinct rod positions: 0 mm (fully retracted), 60 mm (first section extended), and 120 mm (both sections extended). The two 60 mm strokes are equal, so the mid and full extension stops are evenly spaced.
Yes, if the application requires only the three discrete stop positions (0, 60, 120 mm). The SCT integrates two piston sections on a common rod, eliminating the need to synchronize two separate actuators and their mountings. Ensure the per-section force of 628 N at 0.5 MPa meets your load requirements.
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