Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X188X58S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X188X58S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 188mm and 58mm give 4 controllable stop positions across a 246mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1188 mm
- Stroke 258 mm
- Total travel246 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X188X58S
The SCT63X188X58S is a double-acting tandem cylinder that delivers four fixed rod positions—0 mm, 58 mm, 188 mm, and the full 246 mm extension—by pressurising one or both piston sections. Each section provides a push force of 1559 N at 0.5 MPa, making it a precise solution for multi-stop material handling or sorting tasks.
Built with a 20 mm diameter rod and M16x1.5 threads, this tie-rod cylinder includes a 28 mm adjustable air cushion at each end for smooth deceleration. The integrated magnet allows CMSG, DMSG, or EMSG sensors to be clamped directly onto the barrel for reliable position feedback without extra brackets.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X188X58S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X188X58S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 188 / 58 mm |
| Total travel | 246 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) | 188 mm |
| P2 (section 2) | 58 mm |
| P3 (both extended) | 246 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 SCT63X188X58S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×188 | Stroke 1 (section 1) in mm. |
| ×58 | 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 SCT63X188X58S Is Used
Two-Stage Sorting Gate
Uses the 58 mm and 188 mm stops to divert packages onto two different conveyor lanes from a single actuator.
Multi-Depth Pressing
Provides a partial press at 58 mm and a full-depth press at 246 mm for components requiring a two-step forming process.
Staggered Part Feeding
Advances parts to an intermediate 188 mm position for inspection, then to the final 246 mm stop for assembly.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X188X58S the Right Cylinder?
Choosing the SCT63X188X58S over two separate cylinders simplifies the pneumatic circuit and saves space on the machine frame. The 188 mm and 58 mm strokes are fixed, giving repeatable stops that external hard stops cannot match for consistency. If your application requires higher force, stepping up to the 80 mm bore provides 2513 N of push per section at the same pressure. For a direct replacement, match the 63 mm bore, both 188 mm and 58 mm strokes, PT port thread, and the built-in magnet suffix; the basic mount keeps the cylinder body free for custom bracketing. When the longer 188 mm section is fully extended, consider an external guide if the rod sees significant side loading.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 188 + 58 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 SCT63X188X58S FAQ
This tandem cylinder provides 4 discrete rod positions: 0 mm (fully retracted), 58 mm, 188 mm, and the total travel of 246 mm. The stops are fixed by the two different stroke lengths.
Each of the two piston sections outputs 1559 N of push force and 1402 N of pull force when operated at 0.5 MPa. The force does not double because the sections are actuated independently for positioning.
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