Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X200
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X200 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 200mm give 4 controllable stop positions across a 250mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 150 mm
- Stroke 2200 mm
- Total travel250 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X200
The SCT63X50X200 tandem cylinder delivers four fixed rod positions—0 mm, 50 mm, 200 mm, and the full 250 mm extension—by pressurising its two piston sections independently or together. 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, making it suitable for multi-stop material handling where different extension lengths are needed from a single compact unit.
The 20 mm diameter piston rod and 28 mm air cushion at each end provide robust guidance and reliable end-of-stroke deceleration. With a body length A of 249 mm, this double-acting cylinder uses PT1/4 ports and an M16x1.5 rod thread. The standard TPU seals suit ambient temperatures from -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X200 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X200 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 50 / 200 mm |
| Total travel | 250 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) | 50 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 250 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 SCT63X50X200
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT63X50X200 Is Used
Two-Way Part Diverting
Use the 50 mm and 250 mm stop positions to direct parts down two different conveyor lanes from a single linear actuator, simplifying the sorting mechanism.
Sequential Clamping
Apply an initial low-force clamp at the 200 mm position, then fully engage at 250 mm, or use the 50 mm stop for a part-present sensing step before the main clamping stroke.
Two-Depth Pressing
Achieve a shallow 50 mm pre-press depth and a full 250 mm insertion depth in assembly fixtures, controlling each depth by selecting the appropriate cylinder section.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X200 the Right Cylinder?
Choose the SCT63X50X200 when a process requires two distinct extended positions without the complexity of two separate cylinders and external hard stops. For lighter loads, stepping down to a 50 mm bore reduces the per-section push force to 982 N at 0.5 MPa, while moving up to an 80 mm bore increases it to 2513 N. This model is a direct replacement for an existing AirTAC SCT63X50X200 with basic mounting, PT threads, and no magnet.
Because the second stroke extends to 200 mm, ensure the rod is adequately guided if significant side loads are present at full extension to prevent bending or uneven seal wear.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 200 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 SCT63X50X200 FAQ
This tandem cylinder provides four discrete rod positions: fully retracted (0 mm), first section extended (50 mm), second section extended (200 mm), and both sections extended for the total travel (250 mm). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, in many cases it can. The SCT63X50X200 integrates two strokes into one tie-rod body, saving space and eliminating the need to synchronise two separate actuators. It is a direct replacement for another AirTAC SCT63X50X200 unit with the same bore, both strokes, PT port thread, and basic mounting configuration.
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