Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 20mm and 10mm give 4 controllable stop positions across a 30mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 120 mm
- Stroke 210 mm
- Total travel30 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10
The SCT32X20X10 is a double-acting multi-position cylinder that provides four distinct rod positions from two independent piston sections on a common rod line. With strokes of 20 mm and 10 mm, the reachable stops are 0 mm, 10 mm, 20 mm, and the total travel of 30 mm, making it suitable for compact, multi-step actuation.
Each section delivers 402 N of push force at 0.5 MPa, rising to 724 N at the maximum operating pressure of 0.9 MPa. The 32 mm bore features a 12 mm diameter rod, M10x1.25 rod thread, and PT1/8 ports. Its tie-rod body has an A(SCT) dimension of 233 mm with a 21 mm adjustable air cushion for smooth end-of-stroke deceleration.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 20 / 10 mm |
| Total travel | 30 mm |
| Stop positions | 4 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 20 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 30 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 SCT32X20X10
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×20 | 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 SCT32X20X10 Is Used
Compact Part Sorting
Uses the four discrete stops at 0, 10, 20, and 30 mm to divert small components into separate lanes on a conveyor, controlled by pressurizing either or both cylinder sections.
Multi-Depth Insertion
Provides three working depths (10, 20, 30 mm) for inserting pins or dowels to different set depths in an assembly fixture, eliminating the need for manual adjustment.
Two-Step Clamping
Applies a light pre-clamp at the 10 mm position and full clamping force at the 30 mm total travel position, protecting delicate workpieces during the initial contact phase.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X20X10 the Right Cylinder?
Choose the SCT32X20X10 when an application requires four fixed stopping points without the complexity of two separate cylinders and external hard stops. The tandem design simplifies plumbing and mounting compared to dual-cylinder setups. For higher force, consider stepping up to the 40 mm bore SCT, which provides 628 N of push per section at 0.5 MPa. As a direct replacement, match the 32 mm bore, both 20 mm and 10 mm strokes, PT port thread, and basic mounting configuration.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 20 + 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 SCT32X20X10 FAQ
This model provides 4 discrete positions: 0 mm (fully retracted), 10 mm (section 2 extended), 20 mm (section 1 extended), and 30 mm (both sections extended for total travel). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Each piston section generates 402 N of push force and 345 N of pull force when operated at 0.5 MPa. The force does not double when both sections are pressurized; each section acts independently to move the rod to its designated stop.
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