Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X200S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 200mm give 4 controllable stop positions across a 350mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1150 mm
- Stroke 2200 mm
- Total travel350 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X200S
The SCT63X150X200S is a tandem multi-position cylinder that delivers four distinct rod stops: 0 mm, 150 mm, 200 mm, and the full combined travel of 350 mm. By pressurising the two piston sections independently or together, you gain precise, repeatable intermediate positions without external hard stops. Each 63 mm bore section produces 1559 N of push force at 0.5 MPa, driven by a 20 mm rod through PT1/4 ports.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG solid-state sensors to clamp directly onto the tie-rod barrel for end-of-stroke or intermediate position sensing. The adjustable air cushion at each end (28 mm length) decelerates the load smoothly, and the body length A(SCT) is 249 mm. Operating pressure spans 0.15–1.0 MPa, with a proof pressure of 1.5 MPa.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X200S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 150 / 200 mm |
| Total travel | 350 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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, 28 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) | 200 mm |
| P3 (both extended) | 350 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 SCT63X150X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT63X150X200S Is Used
Three-Way Part Diverting
Use the four discrete positions (0, 150, 200, 350 mm) to route parts to three different conveyor lanes. The sensor-ready magnet confirms each stop, ensuring reliable sortation.
Two-Depth Press Operation
Achieve a 150 mm pre-press and a 200 mm full-depth stroke from one cylinder. The tandem design guarantees repeatable depth control without complex servo setups.
Multi-Stop Assembly Fixture
Position a tooling plate at 150 mm for component loading and 350 mm for full insertion. The 1559 N per-section force handles robust assembly tasks.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X150X200S the Right Cylinder?
Choose the SCT when your application needs two or more fixed intermediate stop positions from a single compact assembly, rather than linking two separate cylinders or adding external mechanical stops to a standard SC unit. The 63 mm bore provides a mid-range force of 1559 N push per section at 0.5 MPa; if you need more force, step up to the 80 mm bore (2513 N push), or down to the 50 mm bore (982 N push) for lighter, faster moves.
For a direct replacement, match the 63 mm bore, both strokes (150 mm and 200 mm), PT port thread, and the built-in magnet (-S). The basic mounting configuration accepts the full SCT accessory set—FA/FB flanges, CA/CB devises, or LB feet—if you need to change the mounting style later. With a 150 mm and 200 mm stroke, ensure the rod is guided if significant side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 200 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 SCT63X150X200S FAQ
It provides four discrete mechanical stops: 0 mm (fully retracted), 150 mm (section one extended), 200 mm (section two extended), and 350 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely variable.
Yes, it is a direct replacement when you need two intermediate stops plus the retracted and full-extend positions. Ensure the replacement matches the 63 mm bore, 150 mm and 200 mm strokes, PT ports, and the -S magnet option. The single tandem body is more compact than two individual cylinders with a mounting bracket.
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