Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X260S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X260S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 70mm and 260mm give 4 controllable stop positions across a 330mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 170 mm
- Stroke 2260 mm
- Total travel330 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X260S
The SCT32X70X260S is a tandem multi-position cylinder delivering four distinct rod positions: fully retracted (0 mm), 70 mm, 260 mm, and a total extended travel of 330 mm. Each piston section independently generates 402 N of push force at 0.5 MPa, making it suitable for light-duty sorting and diverting tasks where multiple fixed stops are required without complex controls.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the 32 mm bore tie-rod body for position feedback. The 12 mm diameter rod and PT1/8 ports keep the unit compact, while the 21 mm air cushion at each end ensures smooth deceleration across the 330 mm total stroke.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X260S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X260S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 70 / 260 mm |
| Total travel | 330 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) | 70 mm |
| P2 (section 2) | 260 mm |
| P3 (both extended) | 330 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 SCT32X70X260S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×70 | Stroke 1 (section 1) in mm. |
| ×260 | 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 SCT32X70X260S Is Used
Multi-Stop Sorting Gate
Uses the four positions (0, 70, 260, 330 mm) to divert packages onto three different conveyor lanes, controlled by pressurizing the two cylinder sections independently or together.
Two-Depth Clamping
Provides two distinct clamping depths for parts of varying thicknesses in a light assembly fixture, with the 330 mm total stroke offering a wide opening for part loading.
Staged Part Feeding
Advances components to an intermediate 70 mm inspection stop before moving to the final 260 mm assembly position, all from one compact actuator with sensor confirmation.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X260S the Right Cylinder?
Selecting this SCT configuration is ideal when an application needs four fixed mechanical stops from a single actuator, avoiding the cost and complexity of two separate cylinders. If higher force is needed, stepping up to the 40 mm bore provides 628 N of push per section. For a drop-in replacement, match the 32 mm bore, both the 70 mm and 260 mm strokes, PT ports, and the -S magnet option. When the 260 mm section extends, ensure the rod is supported against side loads to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 70 + 260 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 SCT32X70X260S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm, 70 mm, 260 mm, and the combined total of 330 mm. The stops are achieved by pressurizing the first section, the second section, or both simultaneously.
Each of the two piston sections in the 32 mm bore generates 402 N of push force and 345 N of pull force at 0.5 MPa. The sections act independently and their forces do not combine for multi-position moves.
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