Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X190X190S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X190X190S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 190mm and 190mm give 3 controllable stop positions across a 380mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 1190 mm
- Stroke 2190 mm
- Total travel380 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X190X190S
The SCT40X190X190S is a double-acting tandem cylinder that provides three fixed rod positions: fully retracted (0 mm), mid-stop at 190 mm, and fully extended at 380 mm. Each piston section generates 628 N of push force at 0.5 MPa, driven through a 16 mm diameter piston rod, making it suitable for diverting or sorting tasks requiring two distinct extended stops.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position feedback. With a body length of 235 mm plus strokes and an adjustable air cushion of 21 mm, it decelerates loads smoothly at both ends of each section's travel.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X190X190S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X190X190S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 190 / 190 mm |
| Total travel | 380 mm |
| Stop positions | 3 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 190 mm |
| P2 (both extended) | 380 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 SCT40X190X190S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×190 | Stroke 1 (section 1) in mm. |
| ×190 | 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 SCT40X190X190S Is Used
3-Position Part Diverting
Routes packages or components to two separate conveyor lanes by extending to a 190 mm mid-stop or the full 380 mm position, controlled by pressurizing one or both cylinder sections.
Two-Depth Press Feeding
Feeds blanks into a stamping press at two different insertion depths. The 190 mm and 380 mm stops allow precise staging for progressive die operations.
Multi-Stop Clamping Fixture
Acts as a programmable hard stop in a welding jig, positioning a clamping arm at either 190 mm or 380 mm to accommodate two different part families on a single fixture.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X190X190S the Right Cylinder?
Select this 3-position cylinder when an application needs a part moved to two different extended locations without the complexity of two separate actuators. The SCT40X190X190S uses two 190 mm strokes on a common rod line, saving space and simplifying pneumatic circuitry compared to a dual-cylinder setup. If higher force is required, consider stepping up to the 50 mm bore SCT series, which offers 982 N of push per section at the same pressure.
For direct replacement, match the 40 mm bore, both 190 mm strokes, PT port thread, and the -S magnet option. This basic mount configuration can be combined with FA or FB flanges or an LB foot mount if panel or surface mounting is needed. For strokes of this length, ensure the external load is guided to prevent excessive side-loading and rod deflection.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 190 + 190 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 SCT40X190X190S FAQ
It provides 3 distinct mechanical stops: 0 mm (fully retracted), 190 mm (mid-stop), and 380 mm (fully extended). Because both stroke sections are equal, the 190 mm and 190 mm positions overlap, creating a single mid-stop.
Yes, if your sequence requires two fixed extended positions. The SCT40X190X190S integrates both strokes on one rod, eliminating the need to synchronize two cylinders. Ensure the replacement matches the 40 mm bore, 190 mm strokes, PT ports, and the -S magnet option for sensor compatibility.
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