Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X75S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X75S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 75mm and 75mm give 3 controllable stop positions across a 150mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 175 mm
- Stroke 275 mm
- Total travel150 mm
- Positions3 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X75S
The SCT32X75X75S is a double-acting multi-position tandem cylinder that delivers three fixed rod positions: fully retracted (0 mm), mid-stop at 75 mm, and full extension at 150 mm. Each piston section provides 402 N of push force at 0.5 MPa, scaling to 724 N at the maximum operating pressure of 0.9 MPa. The 12 mm diameter rod and PT1/8 ports keep the unit compact for light-duty sequencing.
A built-in magnet is integrated into the piston, allowing easy attachment of CMSG, DMSG, or EMSG sensors directly to the tie-rod barrel for end-of-stroke or mid-position confirmation. The 21 mm adjustable air cushion at each end section absorbs residual energy quietly. With a body length A of 233 mm, this genuine AirTAC actuator fits neatly into three-stop sorting gates and diverters where space is at a premium.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X75S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X75S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 75 / 75 mm |
| Total travel | 150 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 75 mm |
| P2 (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 SCT32X75X75S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×75 | 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 SCT32X75X75S Is Used
3-Way Diverter Gates
Commands a flipper gate to three positions—neutral, divert left, and divert right—on a single conveyor line using the 0, 75, and 150 mm stops.
Multi-Level Part Staging
Positions a stop pin at retracted, mid-height, or full-height to stage pallets or trays at two different working elevations before release.
Two-Depth Press Feeding
Advances a slide to a pre-load position at 75 mm for safety light-curtain bypass, then to the full 150 mm stroke for die engagement.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X75S the Right Cylinder?
Opt for this 3-position SCT when a single cylinder must command two distinct extended stops without the complexity of two separate actuators and external hard stops. The 32 mm bore suits light transfer and diverting tasks; if your load requires more thrust, consider stepping up to the SCT40 series, which delivers 628 N of push per section at the same 0.5 MPa pilot pressure. For replacement, match the bore (32), both strokes (75 mm each), the PT port thread, and the integrated magnet (-S suffix). Mounting is basic, but FA or LB brackets can be added if panel or foot mounting is needed later.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 75 + 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 SCT32X75X75S FAQ
Because the two section strokes are equal (75 mm each), the cylinder provides 3 distinct mechanical stops: 0 mm (fully retracted), 75 mm (first section extended), and 150 mm (both sections extended, total travel).
Only if you need the specific 3-position functionality. The SCT32X75X75S is physically longer (body length A of 233 mm) and has two air inlet sections. It is a direct replacement for another AirTAC SCT of the same bore, both 75 mm strokes, PT thread, and -S magnet configuration.
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