Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X100S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X100S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 75mm and 100mm give 4 controllable stop positions across a 175mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 175 mm
- Stroke 2100 mm
- Total travel175 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X100S
The SCT32X75X100S tandem cylinder delivers four fixed rod positions—0 mm, 75 mm, 100 mm, and 175 mm total travel—by pressurising its two piston sections independently. Each section generates 402 N of push force at 0.5 MPa, making it a compact solution for light sorting or diverting tasks where multiple mechanical stops are needed without complex controls.
This model includes a built-in magnet, allowing CMSG or DMSG sensors to clamp directly onto the 32 mm bore tie-rod barrel for non-contact position sensing. The 12 mm diameter rod and PT1/8 ports keep the footprint small, while the 21 mm adjustable air cushion at each end protects the assembly from impact. The body length A(SCT) is 233 mm.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X100S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X100S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 75 / 100 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) | 75 mm |
| P2 (section 2) | 100 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 SCT32X75X100S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×75 | 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 SCT32X75X100S Is Used
Four-Way Diverter Gate
Direct packages to four separate conveyor lanes by stopping the rod at 0, 75, 100, or 175 mm, each position aligning a chute with a different destination.
Multi-Depth Label Applicator
Apply labels at two different heights on a product by using the 75 mm and 175 mm extended positions, with the 100 mm stop serving as a tamp point for an intermediate surface.
Staged Part Ejection
Eject parts from a die in two stages: a 75 mm push to break the part free, followed by a full 175 mm stroke to clear the tooling area, using sensor feedback from the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X100S the Right Cylinder?
Choose the SCT32X75X100S when your process needs four distinct tooling positions from a single pneumatic axis, avoiding the cost and alignment hassle of two separate cylinders with external stops. If the 402 N push force per section is marginal, stepping up to the SCT40 series provides 628 N per section at the same 0.5 MPa pressure. For replacement, match the 32 mm bore, both strokes (75 mm and 100 mm), PT thread, and the -S magnet option; this model uses a basic mount with no additional brackets. As the total extended length reaches 175 mm, ensure the load is guided if side forces are present to prevent rod bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 75 + 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 SCT32X75X100S FAQ
This tandem cylinder provides four discrete positions: fully retracted (0 mm), first section extended (75 mm), second section extended (100 mm), and both sections extended for the total travel of 175 mm. The positions are fixed by the two stroke lengths and are selected by pressurising the appropriate cylinder ports.
Yes, if your application requires two fixed intermediate stops plus a fully extended position. The SCT32X75X100S replaces two separate 32 mm bore cylinders and their mounting hardware with a single tandem unit, simplifying air plumbing and reducing the machine footprint. Ensure the replacement matches the 75 mm and 100 mm strokes, PT ports, and the -S magnet if you need sensor feedback.
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