Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X130X40
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X130X40 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 130mm and 40mm give 4 controllable stop positions across a 170mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1130 mm
- Stroke 240 mm
- Total travel170 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X130X40
The SCT63X130X40 tandem cylinder provides four fixed rod positions—0 mm, 40 mm, 130 mm, and the full 170 mm total travel—by pressurising its two piston sections independently or together. Each section delivers a push force of 1559 N at 0.5 MPa (2182 N at 0.7 MPa), driven by a 20 mm rod with M16x1.5 threads and PT1/4 ports.
Built on a tie-rod body with a 249 mm base length and 28 mm of adjustable air cushion at each end, this genuine AirTAC unit suits sorting or diverting tasks that need three intermediate stops without external hard stops. The TPU seals and PT threads keep it compatible with standard filtered-air systems from -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X130X40 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X130X40 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 130 / 40 mm |
| Total travel | 170 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) | 130 mm |
| P2 (section 2) | 40 mm |
| P3 (both extended) | 170 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 SCT63X130X40
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×130 | Stroke 1 (section 1) in mm. |
| ×40 | 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 SCT63X130X40 Is Used
Two-Stage Part Diverting
Uses the 40 mm and 130 mm stops to route parts to two separate outfeed lanes from a single inbound conveyor, with full retraction at 0 mm for a third lane.
Multi-Depth Pressing
Provides a 40 mm pre-press position and a 130 mm full-press depth, allowing one cylinder to handle two different insertion or forming depths in a compact fixture.
Staged Clamping
Applies a light 40 mm clamp for alignment, then advances to the 130 mm position for full holding force, all from a single tandem actuator without tooling changes.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X130X40 the Right Cylinder?
Choose the SCT63X130X40 when a process calls for four distinct mechanical stops in a 170 mm stroke envelope—it eliminates the complexity and air consumption of two separate cylinders with external bracketry. If your load requires more force per section, step up to the SCT80 bore, which provides 2513 N push at 0.5 MPa; for a lighter, more compact solution, the SCT50 bore offers 982 N. A direct replacement must match the 63 mm bore, both 130 mm and 40 mm section strokes, PT1/4 ports, and basic mounting. For section strokes over 300 mm, consider external guides to protect the 20 mm rod from side loads.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 130 + 40 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 SCT63X130X40 FAQ
It provides four discrete rod positions: 0 mm (fully retracted), 40 mm (section 2 extended), 130 mm (section 1 extended), and 170 mm (both sections extended). The stops are fixed by the two stroke lengths and cannot be varied infinitely.
Yes, if the application needs the exact 40 mm and 130 mm strokes. The tandem SCT replaces two individual cylinders and their mounting hardware with a single tie-rod body, but it does not double the force—each section still delivers 1559 N push at 0.5 MPa. Ensure the replacement matches the PT1/4 ports and basic mounting.
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