Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X30X30
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X30X30 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 30mm and 30mm give 3 controllable stop positions across a 60mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 130 mm
- Stroke 230 mm
- Total travel60 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X30X30
The SCT63X30X30 is a double-acting, multi-position tandem cylinder that delivers three fixed rod positions: fully retracted (0 mm), 30 mm, and the combined 60 mm total travel. By pressurising one or both piston sections, you can reliably index between these stops without external hard stops or complex controls.
Each 63 mm bore section generates 1559 N of push force at 0.5 MPa, rising to 2805 N at the maximum operating pressure of 0.9 MPa. The cylinder uses a 20 mm diameter piston rod with an M16x1.5 thread, and the tie-rod body has a fixed length A of 249 mm. An integrated adjustable air cushion on each section decelerates the load smoothly at stroke ends.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X30X30 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X30X30 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 30 / 30 mm |
| Total travel | 60 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 30 mm |
| P2 (both extended) | 60 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 SCT63X30X30
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×30 | 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 SCT63X30X30 Is Used
Two-Position Diverter Gate
Operates a diverter gate on a conveyor with three defined positions: closed, partial open at 30 mm, and full open at 60 mm, routing packages to different lanes.
Multi-Depth Pressing
Provides two distinct pressing depths in a light assembly fixture, using the 30 mm and 60 mm stops for different insertion or staking operations.
Stepwise Material Feed
Advances material in precise 30 mm increments on a packaging or cutting machine, using the tandem cylinder as a cost-effective discrete indexer.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X30X30 the Right Cylinder?
Choosing this SCT model replaces the need for two separate 30 mm stroke cylinders and a mounting bracket, simplifying the bill of materials and pneumatic plumbing. If higher force is needed, stepping up to an SCT80X30X30 increases per-section push to 2513 N at 0.5 MPa. For a direct replacement, match the 63 mm bore, both 30 mm strokes, PT port thread, and basic mounting configuration. Ensure the replacement unit carries the same magnet option if sensors are used.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 30 + 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 SCT63X30X30 FAQ
This model provides three distinct rod positions: 0 mm (fully retracted), 30 mm (first section extended), and 60 mm (both sections extended). Because both strokes are equal, the 30 mm and 60 mm stops are unique.
Yes, it is a direct functional replacement for two SC63X30 cylinders mounted back-to-back, providing the same three positions in a single, pre-aligned assembly. Ensure the replacement matches the 63 mm bore, 30 mm strokes, PT ports, and basic mounting.
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Related AirTAC SCT Multi-Position Cylinders
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