Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X30S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X30S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 30mm give 4 controllable stop positions across a 80mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 150 mm
- Stroke 230 mm
- Total travel80 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X30S
The SCT32X50X30S is a genuine AirTAC multi-position tandem cylinder that delivers four distinct, repeatable rod stops without external hardware. By pressurising its two piston sections independently or together, the rod locates precisely at 0 mm (fully retracted), 30 mm, 50 mm, or the full 80 mm total travel. The built-in magnet (S suffix) lets CMSG/DMSG/EMSG sensors clamp directly onto the tie-rod barrel for non-contact position sensing.
Each 32 mm bore section produces 402 N of push force at 0.5 MPa and up to 724 N at the 0.9 MPa maximum operating pressure, driven through a 12 mm diameter rod. The cylinder body has an A(SCT) dimension of 233 mm, uses PT1/8 ports, and features an adjustable air cushion length of 21 mm for smooth deceleration at each stop.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X30S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X30S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 30 mm |
| Total travel | 80 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) | 50 mm |
| P2 (section 2) | 30 mm |
| P3 (both extended) | 80 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 SCT32X50X30S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×30 | 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 SCT32X50X30S Is Used
Two-Way Diverter Gate
The four discrete positions (0, 30, 50, 80 mm) allow a single chute or gate to select between two separate product lanes with a clean, fully retracted home position.
Multi-Depth Label Press
Apply labels or stamps at two distinct depths on a single part. The 30 mm and 50 mm stops provide precise, repeatable pressing depths without tooling changes.
Staggered Part Feeding
Use the 30 mm and 80 mm extended positions to feed components in a staggered pattern onto a conveyor, controlling spacing with a single compact actuator.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X30S the Right Cylinder?
This four-position unit replaces complex setups where two separate cylinders and external stops would normally be needed, reducing part count and simplifying the pneumatic circuit. For higher thrust, consider stepping up to the 40 mm bore SCT40 which delivers 628 N push per section at 0.5 MPa. A direct replacement must match the 32 mm bore, both strokes (50 mm and 30 mm), PT port thread, basic mounting, and the -S magnet option. Ensure the load is externally guided if the combined 80 mm stroke creates an offset moment on the 12 mm rod.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 30 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 SCT32X50X30S FAQ
This tandem cylinder provides four distinct rod positions: 0 mm (fully retracted), 30 mm (first section extended), 50 mm (second section extended), and 80 mm (both sections extended, total travel).
Yes, if your application requires the specific 30 mm and 50 mm discrete stops. The SCT combines both strokes on one common rod, saving space and eliminating the need to synchronise two separate cylinder movements.
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