Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X25S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X25S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 25mm give 4 controllable stop positions across a 175mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1150 mm
- Stroke 225 mm
- Total travel175 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X25S
The AirTAC SCT32X150X25S is a double-acting multi-position tandem cylinder providing four distinct mechanical stops along its stroke: 0 mm (fully retracted), 25 mm, 150 mm, and the combined total travel of 175 mm. Each piston section independently generates 402 N of push force at 0.5 MPa, with a 12 mm diameter piston rod and M10x1.25 rod thread for secure tooling attachment.
Equipped with a built-in magnet (denoted by the -S suffix), this model is ready for direct mounting of CMSG, DMSG, or EMSG solid-state sensors to confirm end-of-position or intermediate-stop arrival. The tie-rod construction houses a 21 mm adjustable air cushion in each section, and the body length A(SCT) is 233 mm, making it a compact solution for multi-stop diverting or sorting tasks where sensor feedback is essential.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X25S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X25S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 150 / 25 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) | 150 mm |
| P2 (section 2) | 25 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 SCT32X150X25S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×25 | 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 SCT32X150X25S Is Used
Two-Way Sorting Gate
Actuate a diverter chute to four positions: home (0 mm), a low bypass (25 mm), a mid-level sort (150 mm), and a high-reach reject (175 mm), all controlled by pressurizing different sections.
Multi-Depth Pressing
Insert components to two controlled depths in sequence—a shallow 25 mm pre-set and a deeper 150 mm final press—using the discrete stops for repeatable assembly without a linear encoder.
Staged Part Feeding
Advance a pusher plate in three increments (25 mm, 150 mm, 175 mm) to index parts along a track, with the built-in magnet confirming each position via external sensors.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X25S the Right Cylinder?
Select the SCT32X150X25S when your application needs four fixed stopping points without the complexity of servo controls or multiple individual actuators. This tandem unit replaces two separate cylinders and external hard stops, simplifying plumbing and eliminating alignment drift between stages. If higher thrust is needed, stepping up to the SCT40 bore provides 628 N of push per section at the same 0.5 MPa operating pressure.
For direct replacement, match the 32 mm bore, both stroke lengths (150 mm and 25 mm), the PT port thread, and the integrated magnet (-S). Since the first stroke section is 150 mm, ensure the guided load is supported if side forces are present, as the extended rod length can create a bending moment on the 12 mm rod.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 25 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 SCT32X150X25S FAQ
It provides four discrete mechanical stops: 0 mm (fully retracted), 25 mm (stroke of the second section), 150 mm (stroke of the first section), and 175 mm (total travel when both sections are extended).
Yes, it can replace a setup with two separate 32 mm bore cylinders and external stops. Ensure the replacement matches the 150 mm and 25 mm strokes, PT ports, and the -S magnet option for sensor compatibility.
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