Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X75
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X75 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 75mm give 4 controllable stop positions across a 175mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1100 mm
- Stroke 275 mm
- Total travel175 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X75
The SCT32X100X75 is a tandem multi-position cylinder that delivers four fixed rod positions: 0 mm (fully retracted), 75 mm, 100 mm, and the combined total travel of 175 mm. Each piston section generates 402 N of push force at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks that need more than two end stops.
Built on a tie-rod body with a 12 mm diameter rod and PT1/8 ports, this 32 mm bore unit includes a 21 mm adjustable air cushion in each section for smooth end-of-stroke deceleration. The body length A(SCT) is 233 mm, and the maximum push force per section reaches 724 N at the 0.9 MPa operating limit.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X75 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X75 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 100 / 75 mm |
| Total travel | 175 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) | 100 mm |
| P2 (section 2) | 75 mm |
| P3 (both extended) | 175 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 SCT32X100X75
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×75 | 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 SCT32X100X75 Is Used
Two-Way Part Diverting
Uses the 75 mm and 100 mm stops to direct small parts down two separate chutes from a single conveyor lane, with the 175 mm position providing a third reject path.
Multi-Level Stamping
Provides two distinct pressing depths (75 mm and 100 mm) for a two-stage forming operation, eliminating the need for a complex die set or multiple press stations.
Sequential Part Feeding
Advances components in two controlled steps—first 75 mm for an inspection stop, then a further 25 mm to a pick-and-place position at the full 100 mm extension.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X100X75 the Right Cylinder?
Choose the SCT32X100X75 when your process requires four distinct mechanical stops without the complexity of servo controls or multiple single-stroke cylinders. It replaces two separate actuators and external hard stops with one integrated unit, simplifying plumbing and mounting. For higher force requirements, consider stepping up to the 40 mm bore SCT, which delivers 628 N of push per section at the same 0.5 MPa pressure.
When replacing an existing unit, match the 32 mm bore, both the 100 mm and 75 mm strokes, PT port thread, and the basic mounting configuration. If your application involves a stroke of 100 mm or more with a side load, ensure the rod is externally guided to prevent bending and premature seal wear.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 75 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 SCT32X100X75 FAQ
This tandem cylinder has four discrete rod positions: 0 mm (fully retracted), 75 mm, 100 mm, and 175 mm (full extension). The positions are achieved by pressurizing the first section, the second section, or both sections simultaneously.
The SCT combines two piston sections on a single rod line, guaranteeing a fixed spatial relationship between the 75 mm and 100 mm stops. This eliminates the alignment drift and complex sequencing logic required when synchronizing two independent cylinders, while using fewer valves and fittings.
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