Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X315X165S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X315X165S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 315mm and 165mm give 4 controllable stop positions across a 480mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1315 mm
- Stroke 2165 mm
- Total travel480 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X315X165S
The SCT32X315X165S tandem cylinder delivers four fixed rod positions—0 mm, 165 mm, 315 mm, and the full combined travel of 480 mm—by independently pressurising its two piston sections. Each 32 mm bore section generates a push force of 402 N at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks that need more than two end-of-stroke locations.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for reliable position feedback at each stop. The 12 mm rod runs through a 21 mm adjustable air cushion in each section, and the PT1/8 ports keep the pneumatic connections small and simple.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X315X165S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X315X165S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 315 / 165 mm |
| Total travel | 480 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) | 315 mm |
| P2 (section 2) | 165 mm |
| P3 (both extended) | 480 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 SCT32X315X165S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×315 | Stroke 1 (section 1) in mm. |
| ×165 | 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 SCT32X315X165S Is Used
Two-Way Part Diverting
Use the four discrete stops to route parts to two different downstream conveyors from a single linear actuator, shifting between positions 0, 165, 315, and 480 mm based on product type.
Multi-Stop Pallet Indexing
Index a light pallet through four fixed positions on a simple roller bed. The 480 mm total travel provides ample reach, while the 402 N push force handles small assembly pallets.
Staged Pressing Operation
Perform a two-depth pressing or insertion cycle. The first section advances 165 mm for a pre-load, and the second section extends an additional 315 mm for the final press, all with sensor confirmation via the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X315X165S the Right Cylinder?
Choose this four-position SCT when your process requires a part to stop at two intermediate points on the same linear path, eliminating the complexity and air consumption of two separate cylinders with external hard stops. If the 402 N push force per section is slightly low, stepping up to the SCT40 bore raises the per-section push to 628 N at 0.5 MPa. For a direct replacement, match the 32 mm bore, the exact 315 mm and 165 mm strokes, the PT port thread, and the built-in magnet; the basic mounting style means no additional brackets are included, so verify your machine's existing mount pattern. With a 315 mm stroke on the first section, ensure the rod is guided externally if the load applies a significant side force, as the 12 mm rod can deflect under off-axis loads at full extension.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 315 + 165 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 SCT32X315X165S FAQ
This tandem cylinder provides four discrete rod positions: fully retracted (0 mm), the first section extended (165 mm), the second section extended (315 mm), and both sections extended together for the total travel of 480 mm. The stops are fixed by the two stroke lengths and are not infinitely adjustable.
The SCT combines both strokes on a single common rod line, which guarantees the two intermediate positions are precisely the sum of the individual strokes without needing to align two separate cylinder bodies. It also uses one set of mounting points and one rod end, reducing the footprint and the number of flow controls required, while the built-in magnet lets you mount sensors directly on the SCT body to detect all four positions.
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