Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X250X250S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X250X250S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 250mm and 250mm give 3 controllable stop positions across a 500mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1250 mm
- Stroke 2250 mm
- Total travel500 mm
- Positions3 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X250X250S
The SCT32X250X250S is a double-acting multi-position cylinder that provides three fixed rod positions: fully retracted (0 mm), an intermediate stop at 250 mm, and full extension at 500 mm total travel. Each piston section generates a push force of 402 N at 0.5 MPa, making it suitable for light-duty sorting or diverting tasks where two distinct extended positions are required without complex servo controls.
This model includes a built-in magnet (-S suffix), allowing CMSG or DMSG solid-state sensors to be clamped directly onto the tie-rod barrel for non-contact position sensing. The 12 mm diameter rod runs through a PT1/8 ported body with a 21 mm adjustable air cushion, and the total body length A(SCT) is 233 mm plus the 500 mm combined stroke.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X250X250S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X250X250S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 250 / 250 mm |
| Total travel | 500 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) | 250 mm |
| P2 (both extended) | 500 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 SCT32X250X250S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×250 | Stroke 1 (section 1) in mm. |
| ×250 | 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 SCT32X250X250S Is Used
3-Position Diverter Gate
Use the three discrete stops (0, 250, 500 mm) to guide packages onto left, center, or right conveyor lanes with repeatable mechanical positioning.
Two-Depth Part Insertion
Drive a component to a shallow 250 mm press depth or a full 500 mm depth in a single assembly sequence, controlled by valving each cylinder section.
Multi-Stop Labeling Station
Position a labeling head at a home, mid, or full-reach position to apply labels at varying heights on different product sizes without manual adjustment.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X250X250S the Right Cylinder?
Choose the SCT32 when you need up to three discrete mechanical stops from a single compact unit, avoiding the cost and plumbing of two separate cylinders with external brackets. If the 402 N per-section push force at 0.5 MPa is marginal for your load, stepping up to the SCT40 bore provides 628 N per section. For direct replacement, match the 32 mm bore, both 250 mm strokes, PT port thread, and the -S magnet option; this cylinder mounts with the basic tie-rod body style, but FA or LB mounting kits can be added if panel or foot mounting is needed.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 250 + 250 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 SCT32X250X250S FAQ
This tandem cylinder provides 3 discrete mechanical stops because both stroke sections are equal at 250 mm. The rod positions are 0 mm (fully retracted), 250 mm (first section extended), and 500 mm (both sections extended).
Yes, in applications requiring two fixed extension points. The SCT32X250X250S integrates both strokes into one tie-rod body, simplifying mounting and air plumbing. Ensure the replacement matches the 250 mm per-section stroke, PT1/8 ports, and the -S magnet if sensor feedback is needed.
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