Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X100
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X100 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 100mm give 3 controllable stop positions across a 200mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1100 mm
- Stroke 2100 mm
- Total travel200 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X100
The SCT63X100X100 is a tie-rod, multi-position pneumatic cylinder that provides three fixed rod positions: fully retracted (0 mm), 100 mm, and 200 mm total travel. Both piston sections share an equal 100 mm stroke, making it ideal for two-step clamping or sorting tasks where a middle stop is required. Each section delivers 1559 N of push force at 0.5 MPa, rising to 2805 N at the maximum operating pressure of 0.9 MPa.
This 63 mm bore tandem unit uses a 20 mm diameter piston rod with an M16x1.5 thread and PT1/4 ports. The integrated air cushion is 28 mm long, providing smooth deceleration at both ends of each section. The body length A(SCT) is 249 mm, offering a compact footprint for machines needing multi-stop actuation without complex servo controls.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X100 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X100 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 100 / 100 mm |
| Total travel | 200 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 100 mm |
| P2 (both extended) | 200 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 SCT63X100X100
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×100 | 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 SCT63X100X100 Is Used
Two-Position Sorting Gate
Use the 100 mm and 200 mm stops to divert packages onto two separate conveyor lanes from a single infeed point, simplifying pneumatic logic.
Two-Depth Press Operation
Achieve a pre-press at the 100 mm middle stop before applying full force at the 200 mm extended position for delicate assembly or forming tasks.
Staged Clamping Fixture
The 0 mm, 100 mm, and 200 mm positions allow a single cylinder to clamp workpieces of two different heights without manual adjustment of the fixture.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X100X100 the Right Cylinder?
Choose the SCT63X100X100 when a single actuator must reliably hit a center position between retract and full extend, eliminating the need for two separate cylinders and a bracket. If your force requirement is lower, consider stepping down to the 50 mm bore SCT50X100X100, which provides 982 N of push per section at 0.5 MPa. For higher thrust, the 80 mm bore SCT80X100X100 offers 2513 N per section at the same pressure.
As a direct replacement, match the 63 mm bore, both 100 mm strokes, PT port thread, and basic mounting configuration. If your application requires position sensing, select the -S magnet option to use CMSG or DMSG sensors. This model is a standard stroke unit; for strokes over 500 mm per section, a non-standard order is required.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 100 + 100 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 SCT63X100X100 FAQ
It provides three discrete mechanical stops because both piston sections have an identical 100 mm stroke. The rod positions are 0 mm (fully retracted), 100 mm (section 1 extended), and 200 mm (both sections extended).
The force output is per actuated piston section and matches the standard SC63 cylinder. At 0.5 MPa, one section provides 1559 N push and 1402 N pull. Actuating both sections does not double the force but extends the rod to the 200 mm total travel position.
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