Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X200S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 200mm give 4 controllable stop positions across a 300mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1100 mm
- Stroke 2200 mm
- Total travel300 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X200S
The SCT63X100X200S is a tandem multi-position pneumatic cylinder that provides four fixed rod positions: fully retracted (0 mm), 100 mm, 200 mm, and the combined total travel of 300 mm. Each piston section generates a push force of 1559 N at 0.5 MPa, making it a powerful solution for diverting or sorting tasks requiring multiple distinct end-points without complex servo controls.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for reliable position feedback. The 20 mm diameter rod and PT1/4 ports are standard for the 63 mm bore, and the adjustable air cushion (28 mm length) ensures smooth deceleration at each stop.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X200S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 100 / 200 mm |
| Total travel | 300 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) | 100 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 300 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 SCT63X100X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT63X100X200S Is Used
Multi-Lane Diverter
Uses the four distinct positions (0, 100, 200, 300 mm) to guide products into three separate conveyor lanes, with one position serving as a home or bypass state.
Two-Depth Pressing
Achieves a shallow press at 100 mm extension and a deeper press at 300 mm total travel, with sensor confirmation at each depth via the built-in magnet and external switches.
Sequential Gate Control
Operates a three-position gate (closed, half-open at 200 mm, fully open at 300 mm) for material dosing, using the cylinder's discrete stops for precise, repeatable flow control.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X200S the Right Cylinder?
Selecting an SCT tandem cylinder is ideal when an application needs three or four fixed mechanical stops, avoiding the cost and complexity of two separate cylinders with external brackets. For this 63 mm bore model, the per-section push force is 1559 N at 0.5 MPa. If a higher force is needed, stepping up to the 80 mm bore provides 2513 N per section. A direct replacement must match the 63 mm bore, both the 100 mm and 200 mm strokes, PT port thread, and the integrated magnet (-S suffix).
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 200 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 SCT63X100X200S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 100 mm (first section extended), 200 mm (second section extended), and 300 mm (both sections extended for total travel).
No, the SCT is a double-acting cylinder and will not lock or hold a position if air pressure is lost or the valve centers. The piston can drift. To safely hold a load at an intermediate stop, you must add an external rod brake or a pilot-operated check valve.
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