Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X115S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X115S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 115mm and 115mm give 3 controllable stop positions across a 230mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 1115 mm
- Stroke 2115 mm
- Total travel230 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X115S
The SCT50X115X115S is a tandem multi-position cylinder that delivers three precise, repeatable stop positions along its 230 mm total stroke. With both piston sections set to an identical 115 mm stroke, the rod locates at 0 mm (fully retracted), 115 mm, and 230 mm (fully extended) by pressurising one or both sections. Each 50 mm bore section generates a push force of 982 N at 0.5 MPa, rising to 1767 N at the maximum operating pressure of 0.9 MPa.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG solid-state sensors to clamp directly onto the tie-rod barrel for non-contact position sensing. The 20 mm diameter piston rod and 21 mm adjustable air cushion at each end provide smooth deceleration. The body length A(SCT) is 243 mm. It operates on filtered air at 0.15–1.0 MPa and uses standard PT ports (PT1/4) with an M16x1.5 rod thread.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X115S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X115S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 115 / 115 mm |
| Total travel | 230 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 115 mm |
| P2 (both extended) | 230 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 SCT50X115X115S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×115 | Stroke 1 (section 1) in mm. |
| ×115 | 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 SCT50X115X115S Is Used
3-Position Diverter Gate
Actuates a chute or gate to three fixed positions—closed, divert to lane A at 115 mm, and divert to lane B at full 230 mm extension. The sensor-ready magnet confirms each stop before product release.
Two-Level Pallet Stop
Provides a retracted, mid-height (115 mm), and fully raised (230 mm) stop for pallet handling. The tandem design holds each discrete height mechanically without an external bracket stack.
Multi-Depth Pressing Station
Delivers two controlled pressing depths in one compact unit. The first 115 mm stroke performs a pre-form operation, and engaging the second section drives the tool to the final 230 mm depth.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X115X115S the Right Cylinder?
Choose the SCT tandem cylinder when your application needs up to three fixed, mechanically guaranteed stop positions without the complexity of servo drives or the cumulative tolerance stack of two separate cylinders and external hard stops. This 115 mm per section configuration is well-suited to medium-stroke sorting gates or two-level lifting tables. If you require higher force, stepping up to the 63 mm bore provides 1559 N of push per section at 0.5 MPa; for a lighter, more compact solution, the 40 mm bore delivers 628 N. Always match the replacement to the exact bore, both 115 mm strokes, PT port thread, and the -S magnet option. For strokes at this length, ensure the guided load is aligned to prevent side-loading and rod bending.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 115 + 115 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 SCT50X115X115S FAQ
It provides three distinct mechanical stop positions because both piston sections have an identical 115 mm stroke. The rod positions are 0 mm (fully retracted), 115 mm (one section extended), and 230 mm (both sections extended).
A direct functional replacement must match the 50 mm bore, both 115 mm strokes, the PT1/4 port thread, and the -S magnet for sensor compatibility. This basic model has no mounting bracket; if your application needs a flange or clevis, select the FA, FB, CA, CB, or LB suffix to add the required mounting hardware.
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