Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X95X95
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X95X95 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 95mm and 95mm give 3 controllable stop positions across a 190mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 195 mm
- Stroke 295 mm
- Total travel190 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X95X95
The SCT63X95X95 is a double-acting multi-position tandem cylinder that provides three fixed rod positions: fully retracted (0 mm), the first stop at 95 mm, and full extension at 190 mm. Each piston section generates 1559 N of push force at 0.5 MPa, making this unit a robust choice for diverting or sorting tasks requiring two distinct extended positions with a shared retract.
Built on a 63 mm bore with a 20 mm diameter piston rod and PT1/4 ports, the cylinder uses an adjustable air cushion (28 mm length) to decelerate the load smoothly at both ends of the 190 mm total stroke. The tie-rod construction keeps the body length A(SCT) to a compact 249 mm, simplifying integration into machinery where space for two separate actuators is limited.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X95X95 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X95X95 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 95 / 95 mm |
| Total travel | 190 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) | 95 mm |
| P2 (both extended) | 190 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 SCT63X95X95
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×95 | Stroke 1 (section 1) in mm. |
| ×95 | 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 SCT63X95X95 Is Used
Two-Way Part Diverting
Extend to the 95 mm position to route a part down one lane, or fully extend to 190 mm to send it down a second lane, all from a single compact actuator.
Two-Depth Pressing
Use the 95 mm stop for a pre-forming operation and the full 190 mm travel for the final press depth, ensuring consistent part geometry in a two-stage process.
Multi-Stop Gate Control
Actuate a gate to a partially open position at 95 mm for small items and fully open at 190 mm for larger packages, controlling material flow without a servo axis.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X95X95 the Right Cylinder?
Select the SCT63X95X95 when you need two precise, repeatable extended stops without the complexity of external hard stops or dual-cylinder setups. If your force requirement is lower, stepping down to a 50 mm bore reduces the per-section push force to 982 N at 0.5 MPa. For a direct replacement, match the 63 mm bore, both 95 mm section strokes, PT port thread, and basic mounting style. When a section stroke reaches 300 mm or beyond, assess the rod bearing load and consider adding an external guide to prevent side-load deflection.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 95 + 95 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 SCT63X95X95 FAQ
This model provides 3 discrete mechanical stops: 0 mm (fully retracted), 95 mm (first section extended), and 190 mm (both sections extended, which is the total of stroke1 + stroke2).
Yes, if your application requires two fixed extension points at 95 mm and 190 mm from a single rod line. Ensure the per-section force of 1559 N at 0.5 MPa meets your load requirements for each actuated position, and verify the PT1/4 port thread and basic mounting match your current setup.
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