Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X80X10S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X80X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 80mm and 10mm give 4 controllable stop positions across a 90mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 180 mm
- Stroke 210 mm
- Total travel90 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X80X10S
The SCT63X80X10S is a double-acting multi-position tandem cylinder that provides four fixed rod positions: fully retracted (0 mm), 10 mm, 80 mm, and the combined total travel of 90 mm. Each piston section delivers a push force of 1559 N at 0.5 MPa, scaling up to 2805 N at 0.9 MPa, making it a compact solution for short-throw, multi-stop tasks.
This model features a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for reliable end-of-stroke or intermediate position sensing. The cylinder uses a 20 mm diameter rod, PT1/4 ports, and has a cushion length of 28 mm, with a body length A of 249 mm.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X80X10S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X80X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 80 / 10 mm |
| Total travel | 90 mm |
| Stop positions | 4 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 80 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 90 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 SCT63X80X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×80 | Stroke 1 (section 1) in mm. |
| ×10 | 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 SCT63X80X10S Is Used
Two-Stage Clamping
Use the 10 mm stroke for a low-force initial part contact, then engage the 80 mm stroke for full clamping pressure, preventing damage to delicate components.
Dual-Position Sorting Gate
Actuate a diverter gate to three distinct angles: home (0 mm), a partial divert at 10 mm, and a full divert at 80 mm or the combined 90 mm position for sorting packages.
Sequential Part Ejection
Eject a part with a short 10 mm push to break it free from a mold, followed by an 80 mm stroke to clear the part completely from the tooling area.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X80X10S the Right Cylinder?
Select the SCT63X80X10S when your application requires two distinct, repeatable stop points beyond the retracted position without the complexity of two separate cylinders and external stops. The 10 mm stroke section is ideal for a precise short advance, while the 80 mm section handles the main movement. If lower force is acceptable, stepping down to a 50 mm bore reduces per-section push to 982 N at 0.5 MPa. For a direct replacement, match the 63 mm bore, both the 80 mm and 10 mm strokes, PT port thread, and the integrated magnet; this model uses a basic mount, so ensure your machine frame provides the necessary support.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 80 + 10 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 SCT63X80X10S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 10 mm (first section extended), 80 mm (second section extended), and 90 mm (both sections extended, which is the sum of the two strokes).
The SCT integrates two piston sections on a single common rod, ensuring the stop positions are mechanically fixed relative to each other. This provides better repeatability and a more compact footprint than aligning two independent cylinders with external hard stops to achieve the same three or four positions.
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