Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X10S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 115mm and 10mm give 4 controllable stop positions across a 125mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 1115 mm
- Stroke 210 mm
- Total travel125 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X10S
The AirTAC SCT50X115X10S is a multi-position tandem cylinder that delivers four discrete rod stops: 0 mm, 10 mm, 115 mm, and the full 125 mm total travel. By pressurising either or both of its two 50 mm bore piston sections, you get repeatable mechanical positioning without complex servo controls. Each section provides 982 N of push force at 0.5 MPa, with a 20 mm diameter rod and M16x1.5 rod thread for robust end connections.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to be clamped directly onto the tie-rod barrel for non-contact position sensing. The body length A(SCT) is 243 mm, and the integrated air cushion is adjustable over a 21 mm length, ensuring smooth deceleration at each stop. It operates on standard 40 µm filtered air.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X10S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 115 / 10 mm |
| Total travel | 125 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, 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) | 115 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 125 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 SCT50X115X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×115 | 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 SCT50X115X10S Is Used
Two-Stage Sorting Gate
Uses the 10 mm stroke for a partial gate opening and the 115 mm stroke for a full bypass, directing parts to three different lanes from a single conveyor point.
Dual-Depth Pressing
Performs a fast 115 mm approach stroke, then a final 10 mm controlled pressing stroke for inserting components to a precise depth in an assembly fixture.
Multi-Stop Part Feeding
Advances a part feeder 10 mm to separate a component, then 115 mm to push it into a nest, with the 125 mm total travel used for clearing a jam.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X10S the Right Cylinder?
Choose the SCT50X115X10S when your application needs four fixed, repeatable positions without the cost of an electric actuator. The 115 mm and 10 mm stroke combination is ideal for a long primary travel with a short secondary positioning step. If you require more force, stepping up to the SCT63 bore provides 1559 N of push per section at 0.5 MPa. For a direct replacement, match the 50 mm bore, both the 115 mm and 10 mm strokes, PT port thread, basic mounting, and the -S magnet option. Note that the 115 mm stroke section is within the standard range and does not require special guiding.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 115 + 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 SCT50X115X10S FAQ
This 4-position cylinder provides stops at 0 mm (fully retracted), 10 mm, 115 mm, and 125 mm (fully extended). You achieve these by pressurising the 10 mm section, the 115 mm section, or both simultaneously.
The SCT tandem design guarantees fixed, repeatable mechanical stops in a single, compact body with one rod, eliminating the alignment and sequencing complexity of two separate cylinders. It also simplifies plumbing and sensor mounting, especially with the integrated -S magnet.
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