Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X400
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X400 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 200mm and 400mm give 4 controllable stop positions across a 600mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1200 mm
- Stroke 2400 mm
- Total travel600 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X400
The SCT63X200X400 tandem cylinder delivers four fixed rod positions—0 mm, 200 mm, 400 mm, and the full 600 mm combined travel—by pressurising its two piston sections independently. Each 63 mm bore section generates 1559 N of push force at 0.5 MPa, making it a robust choice for multi-stop material handling or sorting tasks that need distinct, repeatable end-points without complex controls.
Built on a tie-rod body with a 20 mm rod and M16x1.5 rod thread, this model includes a 28 mm adjustable air cushion on each end to manage deceleration. The body length A(SCT) is 249 mm, and the standard PT1/4 ports simplify pneumatic connections. At the maximum operating pressure of 0.9 MPa, each section's thrust rises to 2805 N.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X400 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X400 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 200 / 400 mm |
| Total travel | 600 mm |
| Stop positions | 4 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 200 mm |
| P2 (section 2) | 400 mm |
| P3 (both extended) | 600 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 SCT63X200X400
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×200 | Stroke 1 (section 1) in mm. |
| ×400 | 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 SCT63X200X400 Is Used
Two-Stage Sorting Gate
Uses the 200 mm and 600 mm positions to divert packages onto two separate conveyor lanes from one feed point.
Dual-Depth Pressing
Provides a 400 mm primary press stroke and a 600 mm full-close stroke for parts requiring two levels of forming depth.
Sequential Part Feeding
Advances a pusher to a 200 mm staging point, then to 400 mm for the first pick, and 600 mm for the second, controlling feed rate.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X400 the Right Cylinder?
Select the SCT63X200X400 when your process requires four precise, hard stops from a single actuator, eliminating the need to align two separate cylinders and their controls. If the 200 mm and 400 mm stroke combination doesn't match your sequence, step down to a 50 mm bore (982 N push at 0.5 MPa) for lighter loads or up to an 80 mm bore (2513 N push) for heavier ones. As a direct replacement, match the 63 mm bore, both 200 mm and 400 mm strokes, PT thread, and basic mounting. For strokes over 300 mm, ensure the rod is externally guided if significant side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 200 + 400 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 SCT63X200X400 FAQ
It provides four discrete rod positions: fully retracted (0 mm), first section extended (200 mm), second section extended (400 mm), and both sections extended for the total travel (600 mm).
Yes, if your application needs two fixed strokes of 200 mm and 400 mm from a single rod line. The SCT replaces two individual cylinders and their mounting hardware, but you must ensure the port thread (PT), basic mounting, and both stroke lengths match your design.
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