Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X140X140
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X140X140 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 140mm and 140mm give 3 controllable stop positions across a 280mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1140 mm
- Stroke 2140 mm
- Total travel280 mm
- Positions3 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X140X140
The SCT32X140X140 is a double-acting, multi-position tandem cylinder that delivers three distinct rod positions: fully retracted (0 mm), mid-stroke at 140 mm, and full extension at 280 mm. Built on a 32 mm bore with a 12 mm diameter piston rod and M10x1.25 rod thread, it provides a push force of 402 N per actuated section at 0.5 MPa, scaling up to 724 N at the maximum operating pressure of 0.9 MPa.
This tie-rod cylinder uses PT1/8 ports and features an adjustable pneumatic cushion with a 21 mm cushion length to decelerate the load smoothly at each end of the 280 mm total travel. The body length A(SCT) is a compact 233 mm, making it suitable for machines where multiple fixed stop points are needed without the complexity of servo controls.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X140X140 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X140X140 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 140 / 140 mm |
| Total travel | 280 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 140 mm |
| P2 (both extended) | 280 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 SCT32X140X140
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×140 | Stroke 1 (section 1) in mm. |
| ×140 | 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 SCT32X140X140 Is Used
3-Position Diverter Gate
Actuates a chute or gate to three fixed positions—closed, divert to lane A, and divert to lane B—using simple pneumatic control for reliable product sorting on a conveyor.
Two-Depth Part Stamping
Provides a retracted safe position and two controlled pressing depths (140 mm and 280 mm) for forming or assembly operations that require a two-stage process with a single actuator.
Multi-Stop Pallet Stop
Positions a pallet at a 0 mm home, a 140 mm pre-stop, and a 280 mm final stop position in a low-speed transfer line, simplifying the control architecture.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X140X140 the Right Cylinder?
Select the SCT32X140X140 when your application requires three positive mechanical stops from a single pneumatic unit, eliminating the need for two separate cylinders and external hard stops. If higher thrust is needed, stepping up to the SCT40 bore provides 628 N of push force per section at 0.5 MPa. For replacement, match the 32 mm bore, both 140 mm strokes, PT port thread, and basic mounting configuration exactly. Since both section strokes are under 300 mm, side-load and rod bending are typically not a primary concern under normal alignment.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 140 + 140 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 SCT32X140X140 FAQ
This model provides 3 distinct mechanical stop positions because both piston sections have an equal 140 mm stroke. The rod positions are 0 mm (fully retracted), 140 mm (one section extended), and 280 mm (both sections extended for total travel).
The force per single actuated piston section is 402 N push and 345 N pull at 0.5 MPa. The force is not doubled when both sections are pressurized; the cylinder still delivers the single-section force to the load, but it can reach the 280 mm total travel position.
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