Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X65
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X65 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 30mm and 65mm give 4 controllable stop positions across a 95mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 130 mm
- Stroke 265 mm
- Total travel95 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X65
The SCT32X30X65 tandem cylinder delivers four fixed rod positions—0 mm, 30 mm, 65 mm, and the full 95 mm total travel—by pressurising its two piston sections independently. Each 32 mm bore section generates 402 N of push force at 0.5 MPa, making it suitable for light sorting gates and multi-stop feeding mechanisms where pneumatic simplicity replaces servo complexity.
Built on a rugged tie-rod body with a 233 mm base length, this unit uses a 12 mm diameter rod with M10x1.25 threads and PT1/8 ports. The 21 mm adjustable air cushion at each end decelerates the load smoothly, and the standard TPU seals cover a -20 to +70 °C operating window.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X65 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X65 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 30 / 65 mm |
| Total travel | 95 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) | 30 mm |
| P2 (section 2) | 65 mm |
| P3 (both extended) | 95 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 SCT32X30X65
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×30 | Stroke 1 (section 1) in mm. |
| ×65 | 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 SCT32X30X65 Is Used
Two-Way Diverter Gate
Use the 0, 30, 65, and 95 mm positions to route packages to four distinct conveyor lanes, eliminating the need for multiple actuators at a sorting junction.
Multi-Depth Label Press
Apply labels at two different insertion depths (30 mm and 65 mm) on a single product line, with a fully retracted home position and an extended 95 mm cleaning stroke.
Staged Part Feeding
Advance components in three precise increments (30 mm, 65 mm, 95 mm) for a progressive assembly station, driven entirely by pneumatic valve sequencing.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X30X65 the Right Cylinder?
Choose the SCT when your application needs two or more fixed end-of-stroke positions without the cost of linear sensors or multiple single-rod cylinders. This 32 mm bore model suits light push forces; if you need more thrust at the same pressure, step up to the 40 mm bore SCT40 which provides 628 N push per section at 0.5 MPa. For direct replacement, match the 32 mm bore, both strokes (30 mm and 65 mm), PT port thread, and basic mounting style exactly.
Because the first stroke is relatively short at 30 mm, rod bending is rarely a concern here, but always align the load axially to avoid side-loading the 12 mm rod and ensure consistent multi-position accuracy.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 30 + 65 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 SCT32X30X65 FAQ
It provides four discrete mechanical stops: fully retracted (0 mm), first section extended (30 mm), second section extended (65 mm), and both sections extended for the total travel of 95 mm. The stops are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, in many cases. One SCT32X30X65 replaces two single-rod cylinders and their mountings to achieve three or four fixed positions, saving space and simplifying plumbing. Ensure the bore, both stroke values, and port type match your design requirements.
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