Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X100S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X100S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 100mm give 4 controllable stop positions across a 150mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 150 mm
- Stroke 2100 mm
- Total travel150 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X100S
The SCT32X50X100S is a double-acting, multi-position tandem cylinder that delivers four fixed rod positions from two independent piston sections: 0 mm (fully retracted), 50 mm, 100 mm, and 150 mm (total travel). Each 32 mm bore section generates 402 N of push force at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks where a single actuator must stop at multiple precise locations without complex controls.
This model includes a factory-installed magnet (suffix -S), allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position sensing at each stop. The 12 mm diameter piston rod and M10x1.25 rod thread provide adequate rigidity for short-stroke applications, while the 21 mm adjustable air cushion at each end cap decelerates the load smoothly. The body length A(SCT) is 233 mm.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X100S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X100S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 100 mm |
| Total travel | 150 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) | 50 mm |
| P2 (section 2) | 100 mm |
| P3 (both extended) | 150 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 SCT32X50X100S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×50 | 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 SCT32X50X100S Is Used
Multi-Chute Sorting
Directs packages to four separate conveyor lanes by stopping the diverter gate at 0, 50, 100, and 150 mm positions, controlled by simple 5/3 valves pressurizing each piston section independently.
Two-Depth Stop Gate
Operates a product stop with a retracted home position and three extended heights, allowing the gate to control the flow of tall, medium, and short cartons on a single line.
Multi-Stage Clamping
Provides three distinct clamping thicknesses for a fixture, using the 50 mm and 100 mm strokes to accommodate different part families without manual changeover, with sensor confirmation at each position via the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X100S the Right Cylinder?
Choose the SCT32X50X100S when your process needs four discrete stopping points from a single pneumatic axis, eliminating the cost and complexity of two separate cylinders with external hard stops. If your load requires more force, step up to the 40 mm bore SCT40 series, which provides 628 N of push per section at the same 0.5 MPa pressure. For replacement, match the 32 mm bore, both the 50 mm and 100 mm section strokes, PT port thread, and the built-in magnet suffix; this SCT is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profiles.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 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 SCT32X50X100S FAQ
This model provides four distinct mechanical stop positions: 0 mm (fully retracted), 50 mm (first section extended), 100 mm (second section extended), and 150 mm (both sections extended). Because the two strokes are different (50 mm and 100 mm), you get four unique stopping points.
No. Like any standard double-acting cylinder, the SCT does not lock or hold position when air pressure is exhausted or a valve centers. The piston will drift or drop under load. If you must hold a position without live pressure, you need an external rod lock, a mechanical brake, or a pilot-operated check valve in the circuit.
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