Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X10S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 10mm give 4 controllable stop positions across a 60mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 150 mm
- Stroke 210 mm
- Total travel60 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X10S
The SCT63X50X10S is a double-acting multi-position cylinder that delivers four fixed rod positions from a single compact body: fully retracted (0 mm), 50 mm, 10 mm, and the combined 60 mm total travel. This specific stop set is ideal for sequencing two short, distinct movements, such as a primary extend followed by a fine-positioning step, without the complexity of two separate actuators. Each piston section generates a push force of 1559 N at 0.5 MPa, driven through a 20 mm diameter rod with PT1/4 ports.
A built-in magnet is integrated into the piston, allowing standard CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for reliable, non-contact position sensing at each stop. The cylinder features an adjustable pneumatic cushion at both ends with a 28 mm cushion length, ensuring smooth deceleration of the 1559 N moving mass. With an A-body length of 249 mm, this genuine AirTAC unit is a drop-in solution for multi-stop tasks requiring electrical feedback.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X10S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 50 / 10 mm |
| Total travel | 60 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) | 10 mm |
| P3 (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 SCT63X50X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×10 | 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 SCT63X50X10S Is Used
Two-Stage Sorting Gate
Uses the 50 mm stroke to divert a package from a main conveyor and the 10 mm stroke for a final, precise alignment against a guide rail. The built-in magnet confirms each position to the PLC.
Depth-Selective Pressing
Provides a 50 mm rapid approach stroke followed by a controlled 10 mm press depth. Sensors at both extended positions verify the tool is at the correct depth before the press cycle initiates.
Sequential Clamping Fixture
The 10 mm stroke engages a low-force locating pin, and after verification, the full 60 mm stroke applies the main clamp. The -S magnet signals completion of each step for a fool-proof automated sequence.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X50X10S the Right Cylinder?
Choose the SCT63X50X10S when your application requires four discrete stopping points with sensor feedback, eliminating the need for two separate cylinders, mounting brackets, and flow controls. The 10 mm secondary stroke provides a precise short advance, while the 50 mm primary stroke handles the main working movement. If higher force is needed, consider stepping up to the 80 mm bore SCT80, which provides 2513 N of push per section at the same 0.5 MPa pressure. For a direct replacement, match the 63 mm bore, both 50 mm and 10 mm strokes, PT port thread, basic mounting, and the -S magnet option to ensure sensor compatibility.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 10 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 SCT63X50X10S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 50 mm (section 1 extended), 10 mm (section 2 extended), and 60 mm (both sections extended for total travel). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
The SCT combines two strokes into one tie-rod body, saving space and eliminating the need to align and plumb two separate actuators. It provides the same 1559 N push force per section at 0.5 MPa as a standard SC63, but with the -S magnet, you only need one set of sensors on a single barrel to detect all four positions.
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