Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X110X110
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X110X110 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 110mm and 110mm give 3 controllable stop positions across a 220mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 1110 mm
- Stroke 2110 mm
- Total travel220 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X110X110
The SCT40X110X110 tandem cylinder delivers three precise, repeatable stop positions along its 220 mm total stroke: fully retracted (0 mm), mid-stroke at 110 mm, and fully extended at 220 mm. Each of its two piston sections generates a push force of 628 N at 0.5 MPa, rising to 1130 N at the maximum operating pressure of 0.9 MPa, making it a robust actuator for mid-range pneumatic tasks.
Built on a durable tie-rod construction with a 16 mm diameter rod and PT1/4 ports, this 40 mm bore cylinder features a 21 mm adjustable air cushion in each section for smooth deceleration. Its body length A(SCT) is 235 mm, providing a compact footprint for applications like three-position sorting gates or two-stage clamping fixtures.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X110X110 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X110X110 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 110 / 110 mm |
| Total travel | 220 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) | 110 mm |
| P2 (both extended) | 220 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 SCT40X110X110
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×110 | Stroke 1 (section 1) in mm. |
| ×110 | 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 SCT40X110X110 Is Used
3-Way Diverter Gates
Uses the three discrete positions (0, 110, 220 mm) to direct parts into separate lanes on a conveyor, simplifying product sorting with a single actuator.
Two-Stage Clamping
Provides a low-force approach at 110 mm extension before applying full clamping force at 220 mm, protecting delicate assemblies from impact damage.
Multi-Stop Feeding
Advances material in precise 110 mm increments for a two-step indexing process, ensuring accurate positioning in packaging or assembly stations.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X110X110 the Right Cylinder?
Select the SCT when your process requires two fixed, repeatable extension points without the complexity of servo controls or multiple cylinders. This model steps up from the 32 mm bore (402 N push) for higher force, or you can move to the 50 mm bore (982 N push) if greater thrust is needed. For a direct replacement, match the 40 mm bore, both 110 mm strokes, PT port thread, and basic mounting style.
With a section stroke of 110 mm, rod bending is not a primary concern under axial loads, but always ensure the load is guided if significant side forces are present. The SCT's three-position capability often replaces setups using two separate cylinders with external stops, reducing plumbing and control complexity.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 110 + 110 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 SCT40X110X110 FAQ
It provides three distinct mechanical stops: 0 mm (fully retracted), 110 mm (first section extended), and 220 mm (both sections extended). Since both strokes are equal, the mid and full-extension positions are evenly spaced.
Yes, it often can. By using a single tandem cylinder instead of two individual SC cylinders with external hard stops, you eliminate the need for a second set of mounts, fittings, and valve signals, simplifying the machine design and control logic while achieving the same three-position functionality.
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