Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X125X200S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X125X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 125mm and 200mm give 4 controllable stop positions across a 325mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1125 mm
- Stroke 2200 mm
- Total travel325 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X125X200S
The SCT32X125X200S is a tandem multi-position cylinder providing four discrete rod stops: 0 mm (fully retracted), 125 mm, 200 mm, and the total travel of 325 mm. Each 32 mm bore section delivers 402 N of push force at 0.5 MPa, offering a compact solution for light-duty sorting or diverting tasks where specific intermediate positions are required.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position sensing. The 12 mm diameter piston rod and PT1/8 ports keep the assembly lightweight, while the 21 mm adjustable air cushion at each end section ensures smooth deceleration across all four stop positions.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X125X200S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X125X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 125 / 200 mm |
| Total travel | 325 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 125 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 325 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 SCT32X125X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×125 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT32X125X200S Is Used
Multi-Lane Diverter
Positions a gate at 0, 125, 200, or 325 mm to route small packages into four separate conveyor lanes with a single actuator.
Two-Depth Pressing
Provides two distinct pressing depths (125 mm and 200 mm) plus a retracted home position for a light assembly or staking operation.
Test Fixture Indexing
Moves a test probe to three active positions (125, 200, 325 mm) for multi-point inspection on a single part, simplifying the fixture design.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X125X200S the Right Cylinder?
Choose this SCT when a single actuator must index between four fixed positions without the complexity of two separate cylinders and external stops. The 125 mm and 200 mm strokes create distinct stopping points ideal for multi-stage feeding. If greater thrust is needed, stepping up to the 40 mm bore provides 628 N of push force per section at the same 0.5 MPa pressure. For replacement, match the 32 mm bore, both 125 mm and 200 mm strokes, PT port thread, and the -S magnet option; basic mounting means no additional brackets are included.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 125 + 200 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 SCT32X125X200S FAQ
It has four distinct rod positions: 0 mm (retracted), 125 mm, 200 mm, and 325 mm (full extension). The positions are achieved by pressurizing the first section, the second section, or both simultaneously.
Yes, if you need fixed 125 mm and 200 mm strokes from a single rod line. The SCT32X125X200S provides these two strokes plus a combined 325 mm stroke in one compact body, reducing mounting hardware and eliminating the need to synchronize two separate actuators.
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