Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X115S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X115S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 10mm and 115mm give 4 controllable stop positions across a 125mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 110 mm
- Stroke 2115 mm
- Total travel125 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X115S
The SCT50X10X115S tandem cylinder delivers four distinct rod positions—0 mm, 10 mm, 115 mm, and 125 mm—by independently pressurizing its two 50 mm bore sections. Each piston section provides a push force of 982 N at 0.5 MPa, scaling to 1767 N at the maximum operating pressure of 0.9 MPa, making it a compact solution for multi-stop linear tasks.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for non-contact position feedback. The 20 mm diameter rod and 21 mm adjustable air cushion at each end ensure smooth deceleration across all four stop positions, with a body length A of 243 mm.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X115S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X115S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 10 / 115 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) | 10 mm |
| P2 (section 2) | 115 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 SCT50X10X115S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×10 | 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 SCT50X10X115S Is Used
Two-Stage Clamping
The 10 mm stroke provides a rapid low-force approach to the workpiece, followed by the 115 mm stroke for the full-power clamping sequence, preventing part damage.
Diverter Gate Positioning
Uses the four discrete stops (0, 10, 115, 125 mm) to align a chute or gate with multiple conveyor lanes, controlled by simple pneumatic valves.
Multi-Depth Press Insertion
Installs two different components at controlled depths in one cycle—a shallow 10 mm press for a seal, then a full 125 mm stroke for a bearing seat.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X10X115S the Right Cylinder?
Choose the SCT over two separate cylinders when you need up to four fixed mechanical stops from a single, compact actuator, simplifying plumbing and mounting. For this 50 mm bore, each section delivers 982 N of push force at 0.5 MPa. If your application requires higher force, stepping up to the 63 mm bore provides 1559 N per section at the same pressure, while the 40 mm bore offers a lighter 628 N.
To replace this unit, match the 50 mm bore, the exact 10 mm and 115 mm stroke combination, PT port thread, basic mounting, and the -S magnet option. The total travel of 125 mm and the short 10 mm first stroke make this configuration ideal for precise, short-throw positioning followed by a longer secondary advance.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 10 + 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 SCT50X10X115S FAQ
This tandem cylinder provides four discrete mechanical stops: fully retracted (0 mm), the first section extended (10 mm), the second section extended (115 mm), and both sections extended for the total travel of 125 mm.
Yes, the -S suffix indicates a built-in magnetic band. You can mount CMSG reed switches or DMSG/EMSG solid-state sensors directly on the cylinder's tie-rods to detect each of the four positions.
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