Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X55X45S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X55X45S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 55mm and 45mm give 4 controllable stop positions across a 100mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 155 mm
- Stroke 245 mm
- Total travel100 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X55X45S
The SCT32X55X45S tandem cylinder provides four repeatable rod positions—0 mm, 55 mm, 45 mm, and 100 mm total travel—by pressurising its two piston sections independently or together. With a 12 mm rod and PT1/8 ports, each section delivers 402 N of push force at 0.5 MPa, making it a compact solution for light multi-stop tasks.
A built-in magnet allows direct mounting of CMSG, DMSG, or EMSG sensors for end-of-stroke or intermediate position confirmation. The 21 mm air cushion at each end absorbs energy quietly, and the tie-rod construction keeps the 233 mm body length rigid in multi-shift operation.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X55X45S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X55X45S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 55 / 45 mm |
| Total travel | 100 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) | 55 mm |
| P2 (section 2) | 45 mm |
| P3 (both extended) | 100 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 SCT32X55X45S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×55 | Stroke 1 (section 1) in mm. |
| ×45 | 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 SCT32X55X45S Is Used
Two-Way Diverter Gate
Directs small packages to one of two lanes using the 55 mm and 45 mm stroke positions, with the 100 mm total travel clearing the gate fully.
Multi-Depth Label Press
Applies labels at two different insertion depths (55 mm and 45 mm) on a single product line, eliminating manual changeover between batches.
Component Staging Station
Positions a small workpiece at 0 mm, 45 mm, or 55 mm for sequential drilling and tapping operations, with sensor feedback from the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X55X45S the Right Cylinder?
Choose the SCT32X55X45S when your process needs four fixed mechanical stops without the complexity of two separate cylinders and external hard stops. If higher thrust is required, step up to the SCT40 series, where each section provides 628 N of push at 0.5 MPa. For replacement, match the 32 mm bore, both strokes (55 mm and 45 mm), PT port thread, and the -S magnet option; basic mounting means no additional brackets are included, so reuse or order FA, FB, CA, CB, or LB mounts if needed.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 55 + 45 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 SCT32X55X45S FAQ
It provides four distinct mechanical stops: 0 mm (fully retracted), 55 mm (first section extended), 45 mm (second section extended), and 100 mm (both sections extended, total travel).
Yes, the SCT32X55X45S is a direct dimensional replacement for a non-magnet SCT32X55X45. The only difference is the integrated magnet band on the barrel, which allows you to add CMSG or DMSG sensors without changing the cylinder footprint or mounting.
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Related AirTAC SCT Multi-Position Cylinders
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