Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X160X160
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X160X160 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 160mm and 160mm give 3 controllable stop positions across a 320mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1160 mm
- Stroke 2160 mm
- Total travel320 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X160X160
The SCT63X160X160 is a tandem multi-position cylinder that provides three defined rod positions: fully retracted (0 mm), mid-stroke at 160 mm, and fully extended at 320 mm. By pressurising the two piston sections independently or together, you can index between these fixed stops without external hard stops or complex servo controls. Each 63 mm bore section generates a push force of 1559 N at 0.5 MPa, rising to 2805 N at the maximum operating pressure of 0.9 MPa.
Built on a rugged tie-rod design, this model features a 20 mm diameter piston rod, PT1/4 pneumatic ports, and an M16x1.5 rod thread for easy tooling attachment. The body length A(SCT) is 249 mm, and each end incorporates a 28 mm adjustable air cushion to decelerate the load smoothly. Standard TPU seals provide reliable operation in ambient temperatures from -20 to +70 °C. This genuine AirTAC unit is a dependable choice for repetitive three-position sorting or diverting tasks.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X160X160 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X160X160 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 160 / 160 mm |
| Total travel | 320 mm |
| Stop positions | 3 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, 28 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) | 160 mm |
| P2 (both extended) | 320 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 SCT63X160X160
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×160 | Stroke 1 (section 1) in mm. |
| ×160 | 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 SCT63X160X160 Is Used
Three-Way Part Sorting
Use the three discrete positions (0, 160, 320 mm) to direct parts down different chutes on a conveyor line. The cylinder reliably indexes a diverter gate to left, centre, or right positions without needing continuous position feedback.
Multi-Stop Feeding Mechanism
Advance a pusher plate to two distinct depths for separating and feeding components from a magazine. The 160 mm and 320 mm stops allow handling of two different part lengths in a single automated cell.
Two-Depth Pressing or Stamping
Perform a two-stage pressing operation where the tool first contacts the workpiece at 160 mm extension for a pre-form step, then advances to the full 320 mm for final forming, all with consistent pneumatic force.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X160X160 the Right Cylinder?
Select the SCT63X160X160 when your application requires three precise, repeatable stop locations without the cost and complexity of a servo-electric actuator. This tandem cylinder is more compact and easier to plumb than two separate cylinders with external stop collars, as it integrates both strokes onto a single common rod line. For lighter loads, consider stepping down to a 50 mm bore, which provides 982 N of push per section at 0.5 MPa. For heavier thrust requirements, the 80 mm bore offers 2513 N per section at the same pressure. When replacing an existing unit, ensure the replacement matches the 63 mm bore, both 160 mm strokes, PT port thread, and basic mounting configuration. Given the 160 mm stroke per section, ensure the rod is adequately guided if significant side loads are present to prevent bending or uneven seal wear.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 160 + 160 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 SCT63X160X160 FAQ
This model provides three distinct mechanical stop positions: 0 mm (fully retracted), 160 mm (first section extended), and 320 mm (both sections extended, total travel). The stops are fixed by the cylinder's internal structure and are not infinitely adjustable.
Yes, in many cases. The SCT63X160X160 combines the function of two separate cylinders into one tandem unit, saving space and simplifying mounting. Ensure the replacement matches the 63 mm bore, both 160 mm strokes, PT1/4 ports, and basic mounting. The per-section force output is identical to a standard SC63x160 cylinder.
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